Journals

• Shieh, C., Kipritidis, J., O'Brien, R., Kuncic, Z., Keall, P. (2014). Image quality in thoracic 4D cone-beam CT: a sensitivity analysis of respiratory signal, binning method, reconstruction algorithm, and projection angular spacing. Medical Physics, 41(4), 041912-1-041912-18. [More Information]
• Sawant, A., Keall, P., Butts Pauly, K., Alley, M., Vasanawala, S., Loo, B., Hinkle, J., Joshi, S. (2014). Investigating the feasibility of rapid MRI for image-guided motion management in lung cancer radiotherapy. BioMed Research International, 2013, 485067- 1-485067- 7. [More Information]
• O'Brien, R., Cooper, B., Kipritidis, J., Shieh, C., Keall, P. (2014). Respiratory motion guided four dimensional cone beam computed tomography: Encompassing irregular breathing. Physics in Medicine and Biology, 59(3), 579-595-579-595. [More Information]
• Keall, P., Colvill, E., O'Brien, R., Ng, J., Poulsen, P., Eade, T., Kneebone, A., Booth, J. (2014). The first clinical implementation of electromagnetic transponder-guided MLC tracking. Medical Physics, 41(2), 1-5. [More Information]
• Steel, H., Pollock, S., Lee, D., Keall, P., Kim, T. (2014). The internal-external respiratory motion correlation is unaffected by audiovisual biofeedback. Australasian Physical and Engineering Sciences in Medicine, 37, 97-102. [More Information]
• Yang, J., Yamamoto, T., Mazin, S., Graves, E., Keall, P. (2014). The potential of positron emission tomography for intratreatment dynamic lung tumor tracking: a phantom study. Medical Physics, 41(2), 021718-1-021718-14. [More Information]
• Kipritidis, J., Siva, S., Hofman, M., Keall, P. (2014). Validating and improving CT ventilation imaging by correlating with ventilation 4D-PET/CT using 68Ga-labeled nanoparticles. Medical Physics, 41(1), 1-12. [More Information]
• Yamamoto, T., Kabus, S., Lorenz, C., Johnston, E., Maxim, P., Diehn, M., Eclov, N., Barquero, C., Loo, Jr., B., Keall, P. (2013). 4D CT lung ventilation images are affected by the 4D CT sorting method. Medical Physics, 40(10), 1-9. [More Information]
• Pollock, S., Lee, D., Keall, P., Kim, T. (2013). Audiovisual biofeedback improves motion prediction accuracy. Medical Physics, 40(4), 041705-1-041705-9. [More Information]
• Pommer, T., Falk, M., Poulsen, P., Keall, P., O'Brien, R., Petersen, P., af Rosenschold, P. (2013). Dosimetric benefit of DMLC tracking for conventional and sub-volume boosted prostate intensity-modulated arc radiotherapy. Physics in Medicine and Biology, 58(7), 2349-2361. [More Information]
• Ng, J., Booth, J., Poulsen, P., Kuncic, Z., Keall, P. (2013). Estimation of effective imaging dose for kilovoltage intratreatment monitoring of the prostate position during cancer radiotherapy. Physics in Medicine and Biology, 58(17), 5983-5996. [More Information]
• Balik, S., Weiss, E., Jan, N., Roman, N., Sleeman, W., Fatyga, M., Christensen, G., Zhang, C., Murphy, M., Lu, J., Keall, P., et al (2013). Evaluation of 4-dimensional Computed Tomography to 4-dimensional Cone-Beam Computed Tomography Deformable Image Registration for Lung Cancer Adaptive Radiation Therapy. International Journal of Radiation: Oncology - Biology - Physics, 86(2), 372-379. [More Information]
• Kolling, S., Oborn, B., Keall, P. (2013). Impact of the MLC on the MRI field distortion of a prototype MRI-linac. Medical Physics, 40(12), 121705-1-121705-10. [More Information]
• Rottman, J., Keall, P., Berbeco, R. (2013). Markerless EPID image guided dynamic multi-leaf collimator tracking for lung tumors. Physics in Medicine and Biology, 58(12), 4195-4204. [More Information]
• O'Brien, R., Cooper, B., Keall, P. (2013). Optimizing 4D cone beam computed tomography acquisition by varying the gantry velocity and projection time interval. Physics in Medicine and Biology, 58(6), 1705-1723. [More Information]
• Nasehi Tehrani, J., O'Brien, R., Poulsen, P., Keall, P. (2013). Real-time estimation of prostate tumor rotation and translation with a kV imaging system based on an iterative closest point algorithm. Physics in Medicine and Biology, 58(23), 8517-8533. [More Information]
• Rottmann, J., Keall, P., Berbeco, R. (2013). Real-time soft tissue motion estimation for lung tumors during radiotherapy delivery. Medical Physics, 40(9), 091713-1-091713-7. [More Information]
• Cooper, B., O'Brien, R., Balik, S., Hugo, G., Keall, P. (2013). Respiratory triggered 4D cone-beam computed tomography: A novel method to reduce imaging dose. Medical Physics, 40(4), 041901-1-041901-9. [More Information]
• Pommer, T., Falk, M., Poulsen, P., Keall, P., O'Brien, R., af Rosenschold, P. (2013). The impact of leaf width and plan complexity on DMLC tracking of prostate intensity modulated arc therapy. Medical Physics, 40(11), 111717-1-111717-6. [More Information]
• Bjerre, T., Crijns, S., af Rosenschold, P., Aznar, M., Specht, L., Larsen, R., Keall, P. (2013). Three-dimensional MRI-linac intra-fraction guidance using multiple orthogonal cine-MRI planes. Physics in Medicine and Biology, 58(14), 4943-4950. [More Information]
• Ravkilde, T., Keall, P., Grau, C., Hoyer, M., Poulsen, P. (2013). Time-resolved dose distributions to moving targets during volumetric modulated arc therapy with and without dynamic MLC tracking. Medical Physics, 40(11), 111723-1-111723-8. [More Information]
• Ravkilde, T., Keall, P., Grau, C., Hoyer, M., Poulsen, P. (2013). Time-resolved dose reconstruction by motion encoding of volumetric modulated arc therapy fields delivered with and without dynamic multi-leaf collimator tracking. Acta Oncologica, 52(7), 1497-1503. [More Information]
• Poulsen, P., Schmidt, M., Keall, P., Worm, E., Fledelius, W., Hoffmann, L. (2012). A method of dose reconstruction for moving targets compatible with dynamic treatments. Medical Physics, 39(10), 6237-6246. [More Information]
• Kim, T., Pollock, S., Lee, D., O'Brien, R., Keall, P. (2012). Audiovisual biofeedback improves diaphragm motion reproducibility in MRI. Medical Physics, 39(11), 6921-6928. [More Information]
• Wu, J., Ruan, D., Cho, B., Sawant, A., Petersen, J., Newell, L., Cattell, H., Keall, P. (2012). Electromagnetic Detection and Real-Time DMLC Adaptation to Target Rotation During Radiotherapy. International Journal of Radiation: Oncology - Biology - Physics, 82(3), e545-e553. [More Information]
• Oborn, B., Metcalfe, P., Butson, M., Rosenfeld, A., Keall, P. (2012). Electron contamination modeling and skin dose in 6 MV longitudinal field MRIgRT: Impact of the MRI and MRI fringe field. Medical Physics, 39(2), 874-890. [More Information]
• Cho, B., Poulsen, P., Ruan, D., Sawant, A., Keall, P. (2012). Experimental investigation of a general real-time 3D target localization method using sequential kV imaging combined with respiratory monitoring. Physics in Medicine and Biology, 57(22), 7395-7407. [More Information]
• Poulsen, P., Fledelius, W., Cho, B., Keall, P. (2012). Image-Based Dynamic Multileaf Collimator Tracking of Moving Targets During Intensity-Modulated Arc Therapy. International Journal of Radiation: Oncology - Biology - Physics, 83(2), e265-e271. [More Information]
• Ng, J., Booth, J., Poulsen, P., Fledelius, W., Worm, E., Eade, T., Hegi-Johnson, F., Kneebone, A., Kuncic, Z., Keall, P. (2012). Kilovoltage intrafraction monitoring for prostate intensity modulated arc therapy: First clinical results. International Journal of Radiation: Oncology - Biology - Physics, 84(5), e655-e661. [More Information]
• Crocker, J., Ng, J., Keall, P., Booth, J. (2012). Measurement of patient imaging dose for real-time kilovoltage x-ray intrafraction tumour position monitoring in prostate patients. Physics in Medicine and Biology, 57(10), 2969-2980. [More Information]
• Poulsen, P., Carl, J., Nielsen, J., Nielsen, M., Thomsen, J., Jensen, H., Kjaergaard, B., Zepernick, P., Worm, E., Fledelius, W., Keall, P., et al (2012). Megavoltage Image-Based Dynamic Multileaf Collimator Tracking of a NiTi Stent in Porcine Lungs on a Linear Accelerator. International Journal of Radiation: Oncology - Biology - Physics, 82(2), e321-e327. [More Information]
• Yamamoto, T., Kabus, S., von Berg, J., Lorenz, C., Chung, M., Hong, J., Loo, B., Keall, P. (2012). Reproducibility of four-dimensional computed tomography-based lung ventilation imaging. Academic Radiology, 19(12), 1554-1565. [More Information]
• Falk, M., Larsson, T., Keall, P., Chul Cho, B., Aznar, M., Korreman, S., Poulsen, P., af Rosenschold, P. (2012). The dosimetric impact of inversely optimized arc radiotherapy plan modulation for real-time dynamic MLC tracking delivery. Medical Physics, 39(3), 1588-1594. [More Information]
• Yang, J., Yamamoto, T., Cho, B., Seo, Y., Keall, P. (2012). The impact of audio-visual biofeedback on 4D PET images: Results of a phantom study. Medical Physics, 39(2), 1046-1057. [More Information]
• Poulsen, P., Fledelius, W., Keall, P., Weiss, E., Lu, J., Brackbill, E., Hugo, G. (2011). A method for robust segmentation of arbitrarily shaped radiopaque structures in cone-beam CT projections. Medical Physics, 38(4), 2151-2156. [More Information]
• Constantin, D., Fahrig, R., Keall, P. (2011). A study of the effect of in-line and perpendicular magnetic fields on beam characteristics of electron guns in medical linear accelerators. Medical Physics, 38(7), 4174-4185. [More Information]
• Keall, P., Sawant, A., Cho, B., Ruan, D., Wu, J., Poulsen, P., Petersen, J., Newell, L., Cattell, H., Korreman, S. (2011). Electromagnetic-Guided Dynamic Multileaf Collimator Tracking Enables Motion Management for Intensity-Modulated Arc Therapy. International Journal of Radiation: Oncology - Biology - Physics, 79(1), 312-320. [More Information]
• Yoon, J., Sawant, A., Suh, Y., Cho, B., Suh, T., Keall, P. (2011). Experimental investigation of a moving averaging algorithm for motion perpendicular to the leaf travel direction in dynamic MLC target tracking. Medical Physics, 38(7), 3924-3931. [More Information]
• Yamamoto, T., Kabus, S., Klinder, T., von Berg, J., Lorenz, C., Loo, Jr., B., Keall, P. (2011). Four-dimensional computed tomography pulmonary ventilation images vary with deformable image registration algorithms and metrics. Medical Physics, 38(3), 1348-1358. [More Information]
• Ravkilde, T., Keall, P., Hojbjerre, K., Fledelius, W., Worm, E., Poulsen, P. (2011). Geometric accuracy of dynamic MLC tracking with an implantable wired electromagnetic transponder. Acta Oncologica, 50(6), 944-951. [More Information]
• Carlson, D., Keall, P., Loo, B., Chen, Z., Brown, J. (2011). Hypofractionation results in reduced tumor cell kill compared to conventional fractionation for tumors with regions of hypoxia. International Journal of Radiation: Oncology - Biology - Physics, 79(4), 1188-1195. [More Information]
• Yamamoto, T., Kabus, S., von Berg, J., Lorenz, C., Keall, P. (2011). Impact of Four-Dimensional Computed Tomography Pulmonary Ventilation Imaging-Based Functional Avoidance for Lung Cancer Radiotherapy. International Journal of Radiation: Oncology - Biology - Physics, 79(1), 279-288. [More Information]
• Yamamoto, T., Kabus, S., Klinder, T., Lorenz, C., von Berg, J., Blaffert, T., Loo Jr, B., Keall, P. (2011). Investigation of four-dimensional computed tomography-based pulmonary ventilation imaging in patients with emphysematous lung regions. Physics in Medicine and Biology, 56(7), 2279-2298. [More Information]
• Keall, P. (2011). Locating and targeting moving tumors with radiation beams. Frontiers of Radiation Therapy and Oncology, 43, 118-131. [More Information]
• Constantin, M., Perl, J., LoSasso, T., Salop, A., Whittum, D., Narula, A., Svatos, M., Keall, P. (2011). Modeling the truebeam linac using a CAD to Geant4 geometry implementation: dose and IAEA-compliant phase space calculations. Medical Physics, 38(7), 4018-4024. [More Information]
• Cho, B., Poulsen, P., Sawant, A., Ruan, D., Keall, P. (2011). Real-Time Target Position Estimation Using Stereoscopic Kilovoltage/Megavoltage Imaging and External Respiratory Monitoring for Dynamic Multileaf Collimator Tracking. International Journal of Radiation: Oncology - Biology - Physics, 79(1), 269-278. [More Information]
• Fledelius, W., Keall, P., Cho, B., Yang, X., Morf, D., Scheib, S., Poulsen, P. (2011). Tracking latency in image-based dynamic MLC tracking with direct image access. Acta Oncologica, 50(6), 952-959. [More Information]
• Zhou, H., Rodriguez, M., Van Den Haak, F., Nelson, G., Jogani, R., Xu, J., Zhu, X., Xian, Y., Tran, P., Felsher, D., Keall, P., et al (2010). Development of a Micro-Computed Tomography-Based Image-Guided Conformal Radiotherapy System for Small Animals. International Journal of Radiation: Oncology - Biology - Physics, 78(1), 297-305. [More Information]
• Poulsen, P., Cho, B., Ruan, D., Sawant, A., Keall, P. (2010). Dynamic Multileaf Collimator Tracking of Respiratory Target Motion Based on a Single Kilovoltage Imager During Arc Radiotherapy. International Journal of Radiation: Oncology - Biology - Physics, 77(2), 600-607. [More Information]
• Poulsen, P., Cho, B., Sawant, A., Keall, P. (2010). Implementation of a new method for dynamic multileaf collimator tracking of prostate motion in arc radiotherapy using a single kV imager. International Journal of Radiation: Oncology - Biology - Physics, 76(3), 914-923. [More Information]
• Motomura, A., Bazalova, M., Zhou, H., Keall, P., Graves, E. (2010). Investigation of the effects of treatment planning variables in small animal radiotherapy dose distributions. Medical Physics, 37(2), 590-599. [More Information]
• Constantin, M., Constantin, D., Keall, P., Narula, A., Svatos, M., Perl, J. (2010). Linking computer-aided design (CAD) to Geant4-based Monte Carlo simulations for precise implementation of complex treatment head geometries. Physics in Medicine and Biology, 55(8), N211-N220. [More Information]
• Ruan, D., Keall, P. (2010). Online prediction of respiratory motion: multidimensional processing with low-dimensional feature learning. Physics in Medicine and Biology, 55(11), 3011-3025. [More Information]
• Langner, U., Keall, P. (2010). Quantification of artifact reduction with real-time cine four-dimensional computed tomography acquisition methods. International Journal of Radiation: Oncology - Biology - Physics, 76(4), 1242-1250. [More Information]
• Falk, M., af Rosenschold, P., Keall, P., Cho, B., Poulsen, P., Povzner, S., Sawant, A., Zimmerman, J., Korreman, S. (2010). Real-time dynamic MLC tracking for inversely optimized arc radiotherapy. Radiotherapy and Oncology, 94(2), 218-223. [More Information]
• Cho, B., Poulsen, P., Keall, P. (2010). Real-time tumor tracking using sequential kV imaging combined with respiratory monitoring: a general framework applicable to commonly used IGRT systems. Physics in Medicine and Biology, 55(12), 3299-3316. [More Information]
• Zhou, H., Keall, P., Graves, E. (2009). A bone composition model for Monte Carlo x-ray transport simulations. Medical Physics, 36(3), 1008-1018. [More Information]
• Langner, U., Keall, P. (2009). Accuracy in the localization of thoracic and abdominal tumors using respiratory displacement, velocity, and phase. Medical Physics, 36(2), 386-393.
• Rodriguez, M., Zhou, H., Keall, P., Graves, E. (2009). Commissioning of a novel microCT/RT system for small animal conformal radiotherapy. Physics in Medicine and Biology, 54(12), 3727-3740. [More Information]
• Jabbari, K., Keall, P., Seuntjens, J. (2009). Considerations and limitations of fast Monte Carlo electron transport in radiation therapy based on precalculated data. Medical Physics, 36(2), 530-540. [More Information]
• Zimmerman, J., Korreman, S., Persson, G., Cattell, H., Svatos, M., Sawant, A., Venkat, R., Carlson, D., Keall, P. (2009). DMLC motion tracking of moving targets for intensity modulated arc therapy treatment - a feasibility study. Acta Oncologica, 48(2), 245-250.
• Keall, P. (2009). Evolving technological changes and the impact on our profession. Australasian Physical and Engineering Sciences in Medicine, 32(3), x-xi. [More Information]
• Cho, B., Poulsen, P., Sloutsky, A., Sawant, A., Keall, P. (2009). First demonstration of combined kV/MV image-guided real-time dynamic multileaf-collimator target tracking. International Journal of Radiation: Oncology - Biology - Physics, 74(3), 859-867. [More Information]
• Suh, Y., Sawant, A., Venkat, R., Keall, P. (2009). Four-dimensional IMRT treatment planning using a DMLC motion-tracking algorithm. Physics in Medicine and Biology, 54(12), 3821-3835. [More Information]
• Ma, Y., Lee, L., Keshet, O., Keall, P., Xing, L. (2009). Four-dimensional inverse treatment planning with inclusion of implanted fiducials in IMRT segmented fields. Medical Physics, 36(6), 2215-2221. [More Information]
• Smith, R., Sawant, A., Santanam, L., Venkat, R., Newell, L., Cho, B., Poulsen, P., Cattell, H., Keall, P., Parikh, P. (2009). Integration of real-time internal electromagnetic position monitoring coupled with dynamic multileaf collimator tracking: an intensity-modulated radiation therapy feasibility study. International Journal of Radiation: Oncology - Biology - Physics, 74(3), 868-875. [More Information]
• Bazalova, M., Zhou, H., Keall, P., Graves, E. (2009). Kilovoltage beam Monte Carlo dose calculations in submillimeter voxels for small animal radiotherapy. Medical Physics, 36(11), 4991-4999.
• Dogan, N., Mihaylov, I., Wu, Y., Keall, P., Siebers, J., Hagan, M. (2009). Monte Carlo dose verification of prostate patients treated with simultaneous integrated boost intensity modulated radiation therapy. Radiation Oncology, 4, 1-17. [More Information]
• Ruan, D., Fessler, J., Balter, J., Keall, P. (2009). Real-time profiling of respiratory motion: baseline drift, frequency variation and fundamental pattern change. Physics in Medicine and Biology, 54(15), 4777-4792. [More Information]
• Sawant, A., Smith, R., Venkat, R., Santanam, L., Cho, B., Poulsen, P., Cattell, H., Newell, L., Parikh, P., Keall, P. (2009). Toward submillimeter accuracy in the management of intrafraction motion: the integration of real-time internal position monitoring and multileaf collimator target tracking. International Journal of Radiation: Oncology - Biology - Physics, 74(2), 575-582. [More Information]
• Suh, Y., Weiss, E., Zhong, H., Fatyga, M., Siebers, J., Keall, P. (2008). A deliverable four-dimensional intensity-modulated radiation therapy-planning method for dynamic multileaf collimator tumor tracking delivery. International Journal of Radiation: Oncology - Biology - Physics, 71(5), 1526-1536. [More Information]
• Poulsen, P., Cho, B., Keall, P. (2008). A method to estimate mean position, motion magnitude, motion correlation, and trajectory of a tumor from cone-beam CT projections for image-guided radiotherapy. International Journal of Radiation: Oncology - Biology - Physics, 72(5), 1587-1596. [More Information]
• Cho, B., Suh, Y., Dieterich, S., Keall, P. (2008). A monoscopic method for real-time tumour tracking using combined occasional x-ray imaging and continuous respiratory monitoring. Physics in Medicine and Biology, 53(11), 2837-2855. [More Information]
• Luxton, G., Keall, P., King, C. (2008). A new formula for normal tissue complication probability (NTCP) as a function of equivalent uniform dose (EUD). Physics in Medicine and Biology, 53(1), 23-36. [More Information]
• Suh, Y., Dieterich, S., Cho, B., Keall, P. (2008). An analysis of thoracic and abdominal tumour motion for stereotactic body radiotherapy patients. Physics in Medicine and Biology, 53(13), 3623-3640. [More Information]
• Yorke, E., Keall, P., Verhaegen, F. (2008). Anniversary paper: Role of medical physicists and the AAPM in improving geometric aspects of treatment accuracy and precision. Medical Physics, 35(3), 828-839. [More Information]
• Weiss, E., Wijesooriya, K., Ramakrishnan, V., Keall, P. (2008). Comparison of intensity-modulated radiotherapy planning based on manual and automatically generated contours using deformable image registration in four-dimensional computed tomography of lung cancer patients. International Journal of Radiation: Oncology - Biology - Physics, 70(2), 572-581.e2. [More Information]
• Venkat, R., Sawant, A., Suh, Y., George, R., Keall, P. (2008). Development and preliminary evaluation of a prototype audiovisual biofeedback device incorporating a patient-specific guiding waveform. Physics in Medicine and Biology, 53(11), N197-N208.
• Weiss, E., Wijesooriya, K., Keall, P. (2008). Esophagus and spinal cord motion relative to GTV motion in four-dimensional CTs of lung cancer patients. Radiotherapy and Oncology, 87(1), 44-48. [More Information]
• Keall, P., Chang, M., Benedict, S., Thames, H., Vedam, S., Lin, P. (2008). Investigating the temporal effects of respiratory-gated and intensity-modulated radiotherapy treatment delivery on in vitro survival: an experimental and theoretical study. International Journal of Radiation: Oncology - Biology - Physics, 71(5), 1547-1552. [More Information]
• Dieterich, S., Cleary, K., D’Souza, W., Murphy, M., Wong, K., Keall, P. (2008). Locating and targeting moving tumors with radiation beams. Medical Physics, 35(12), 5684-5694. [More Information]
• Sawant, A., Venkat, R., Srivastava, V., Carlson, D., Povzner, S., Cattell, H., Keall, P. (2008). Management of three-dimensional intrafraction motion through real-time DMLC tracking. Medical Physics, 35(5), 2050-2061. [More Information]
• George, R., Suh, Y., Murphy, M., Williamson, J., Weiss, E., Keall, P. (2008). On the accuracy of a moving average algorithm for target tracking during radiation therapy treatment delivery. Medical Physics, 35(6), 2356-2365. [More Information]
• Langner, U., Keall, P. (2008). Prospective displacement and velocity-based cine 4D CT. Medical Physics, 35(10), 4501-4512. [More Information]
• Wijesooriya, K., Weiss, E., Dill, V., Dong, L., Mohan, R., Joshi, S., Keall, P. (2008). Quantifying the accuracy of automated structure segmentation in 4D CT images using a deformable image registration algorithm. Medical Physics, 35(4), 1251-1260. [More Information]
• Yamamoto, T., Langner, U., Loo, B., Shen, J., Keall, P. (2008). Retrospective analysis of artifacts in four-dimensional CT images of 50 abdominal and thoracic radiotherapy patients. International Journal of Radiation: Oncology - Biology - Physics, 72(4), 1250-1258. [More Information]
• Keall, P., Arief, I., Shamas, S., Weiss, E., Castle, S. (2008). The development and investigation of a prototype three-dimensional compensator for whole brain radiation therapy. Physics in Medicine and Biology, 53(9), 2267-2276. [More Information]
• Poulsen, P., Cho, B., Langen, K., Kupelian, P., Keall, P. (2008). Three-dimensional prostate position estimation with a single x-ray imager utilizing the spatial probability density. Physics in Medicine and Biology, 53(16), 4331-4353. [More Information]
• Keall, P., Lauve, A., Hagan, M., Siebers, J. (2007). A strategy to correct for intrafraction target translation in conformal prostate radiotherapy: simulation results. Medical Physics, 34(6), 1944-1951. [More Information]
• Weiss, E., Siebers, J., Keall, P. (2007). An analysis of 6-MV versus 18-MV photon energy plans for intensity-modulated radiation therapy (IMRT) of lung cancer. Radiotherapy and Oncology, 82(1), 55-62. [More Information]
• Xing, L., Siebers, J., Keall, P. (2007). Computational Challenges for Image-Guided Radiation Therapy: Framework and Current Research. Seminars in Radiation Oncology. [More Information]
• Graves, E., Zhou, H., Chatterjee, R., Keall, P., Gambhir, S., Contag, C., Boyer, A. (2007). Design and evaluation of a variable aperture collimator for conformal radiotherapy of small animals using a microCT scanner. Medical Physics, 34(11), 4359-4367. [More Information]
• Suh, Y., Dieterich, S., Keall, P. (2007). Geometric uncertainty of 2D projection imaging in monitoring 3D tumor motion. Physics in Medicine and Biology, 52(12), 3439-3454. [More Information]
• Weiss, E., Ramakrishnan, V., Keall, P. (2007). Is there a selection bias in radiotherapy dose-escalation protocols? International Journal of Radiation: Oncology - Biology - Physics, 68(5), 1359-1365. [More Information]
• Keall, P., Webb, S. (2007). Optimum parameters in a model for tumour control probability, including interpatient heterogeneity: evaluation of the log-normal distribution. Physics in Medicine and Biology, 52(1), 291-302. [More Information]
• Heath, E., Collins, D., Keall, P., Dong, L., Seuntjens, J. (2007). Quantification of accuracy of the automated nonlinear image matching and anatomical labeling (ANIMAL) nonlinear registration algorithm for 4D CT images of lung. Medical Physics, 34(11), 4409-4421. [More Information]
• Chetty, I., Curran, B., Cygler, J., DeMarco, J., Ezzell, G., Faddegon, B., Kawrakow, I., Keall, P., Liu, H., Ma, C., et al (2007). Report of the AAPM Task Group No. 105: Issues associated with clinical implementation of Monte Carlo-based photon and electron external beam treatment planning. Medical Physics, 34(12), 4818-4853. [More Information]
• Li, X., Keall, P., Orton, C. (2007). Respiratory gating for radiation therapy is not ready for prime time. Medical Physics, 34(3), 867-870. [More Information]
• Keall, P., Vedam, S., George, R., Williamson, J. (2007). Respiratory regularity gated 4D CT acquisition: concepts and proof of principle. Australasian Physical and Engineering Sciences in Medicine, 30(3), 211-220. [More Information]
• Weiss, E., Wijesooriya, K., Dill, V., Keall, P. (2007). Tumor and normal tissue motion in the thorax during respiration: Analysis of volumetric and positional variations using 4D CT. International Journal of Radiation: Oncology - Biology - Physics, 67(1), 296-307. [More Information]
• George, R., Chung, T., Vedam, S., Ramakrishnan, V., Mohan, R., Weiss, E., Keall, P. (2006). Audio-visual biofeedback for respiratory-gated radiotherapy: impact of audio instruction and audio-visual biofeedback on respiratory-gated radiotherapy. International Journal of Radiation: Oncology - Biology - Physics, 65(3), 924-933. [More Information]
• Dogan, N., Siebers, J., Keall, P. (2006). Clinical comparison of head and neck and prostate IMRT plans using absorbed dose to medium and absorbed dose to water. Physics in Medicine and Biology, 51(19), 4967-4980. [More Information]
• Fitzpatrick, M., Starkschall, G., Antolak, J., Fu, J., Shukla, H., Keall, P., Klahr, P., Mohan, R. (2006). Displacement-based binning of time-dependent computed tomography image data sets. Medical Physics, 33(1), 235-246. [More Information]
• Keall, P., Cattell, H., Pokhrel, D., Dieterich, S., Wong, K., Murphy, M., Vedam, S., Wijesooriya, K., Mohan, R. (2006). Geometric accuracy of a real-time target tracking system with dynamic multileaf collimator tracking system. International Journal of Radiation: Oncology - Biology - Physics, 65(5), 1579-1584. [More Information]
• Dogan, N., Siebers, J., Keall, P., Lerma, F., Wu, Y., Fatyga, M., Williamson, J., Schmidt-Ullrich, R. (2006). Improving IMRT dose accuracy via deliverable Monte Carlo optimization for the treatment of head and neck cancer patients. Medical Physics, 33(1), 4033-4043. [More Information]
• George, R., Ramakrishnan, V., Siebers, J., Chung, T., Keall, P. (2006). Investigation of patient, tumour and treatment variables affecting residual motion for respiratory-gated radiotherapy. Physics in Medicine and Biology, 51(20), 5305-5319. [More Information]
• Sakthi, N., Keall, P., Mihaylov, I., Wu, Q., Wu, Y., Williamson, J., Schmidt-Ullrich, R., Siebers, J. (2006). Monte Carlo-based dosimetry of head-and-neck patients treated with SIB-IMRT. International Journal of Radiation: Oncology - Biology - Physics, 64(3), 968-977. [More Information]
• Keall, P., Vedam, S., George, R., Bartee, C., Siebers, J., Lerma, F., Weiss, E., Chung, T. (2006). The clinical implementation of respiratory-gated intensity-modulated radiotherapy. Medical Dosimetry, 31(2), 152-162. [More Information]
• Keall, P., Mageras, G., Balter, J., Emery, R., Forster, K., Jiang, S., Kapatoes, J., Low, D., Murphy, M., Murray, B. (2006). The management of respiratory motion in radiation oncology report of AAPM Task Group 76. Medical Physics, 33(10), 3874-3900. [More Information]
• Fitzpatrick, M., Starkschall, G., Balter, P., Antolak, J., Guerrero, T., Nelson, C., Keall, P., Mohan, R. (2005). A novel platform simulating irregular motion to enhance assessment of respiration-correlated radiation therapy procedures. Journal of Applied Clinical Medical Physics, 6(1), 13-21.
• Wijesooriya, K., Bartee, C., Siebers, J., Vedam, S., Keall, P. (2005). Determination of maximum leaf velocity and acceleration of a dynamic multileaf collimator: Implications for 4D radiotherapy. Medical Physics, 32(4), 932-941. [More Information]
• Vedam, S., Docef, A., Fix, M., Murphy, M., Keall, P. (2005). Dosimetric impact of geometric errors due to respiratory motion prediction on dynamic multileaf collimator-based four-dimensional radiation delivery. Medical Physics. [More Information]
• Siebers, J., Keall, P., Wu, Q., Williamson, J., Schmidt-Ullrich, R. (2005). Effect of patient setup errors on simultaneously integrated boost head and neck IMRT treatment plans. International Journal of Radiation: Oncology - Biology - Physics, 63(2), 422-433. [More Information]
• Keall, P., Joshi, S., Vedam, S., Siebers, J., Kini, V., Mohan, R. (2005). Four-dimensional radiotherapy planning for DMLC-based respiratory motion tracking. Medical Physics, 32(4), 942-951. [More Information]
• George, R., Keall, P., Kini, V., Vedam, S., Ramakrishnan, V., Mohan, R. (2005). Is the diaphragm motion probability density function normally distributed? Medical Physics, 32(2), 396-404. [More Information]
• Weiss, E., Vorwerk, H., Keall, P., Pradier, O., Christiansen, H., Hille, A., Hess, C. (2005). Letter to the editor concerning Senan et al. Radiotherapy and Oncology, 72(3), 346-347.
• Fix, M., Keall, P., Siebers, J. (2005). Photon-beam subsource sensitivity to the initial electron-beam parameters. Medical Physics, 32(4), 1164-1175. [More Information]
• Venning, A., Nitschke, K., Keall, P., Baldock, C. (2005). Radiological properties of normoxic polymer gel dosimeters. Medical Physics, 32(4), 1047-1053.
• Papiez, L., Rangaraj, D., Keall, P. (2005). Real-time DMLC IMRT delivery for mobile and deforming targets. Medical Physics, 32(9), 3037-3048. [More Information]
• George, R., Vedam, S., Chung, T., Ramakrishnan, V., Keall, P. (2005). The application of the sinusoidal model to lung cancer patient respiratory motion. Medical Physics, 32(9), 2850-2861. [More Information]
• Keall, P. (2004). 4-dimensional computed tomography imaging and treatment planning. Seminars in Radiation Oncology, 14(1), 81-90.
• Keall, P., Starkschall, G., Shukla, H., Forster, K., Ortiz, V., Stevens, C., Vedam, S., George, R., Guerrero, T., Mohan, R. (2004). Acquiring 4D thoracic CT scans using a multislice helical method. Physics in Medicine and Biology, 49(10), 2053-2067.
• Keall, P., Siebers, J., Joshi, S., Mohan, R. (2004). Monte Carlo as a four-dimensional radiotherapy treatment-planning tool to account for respiratory motion. Physics in Medicine and Biology, 49(16), 3639-3648.
• Siebers, J., Kim, J., Ko, L., Keall, P., Mohan, R. (2004). Monte Carlo computation of dosimetric amorphous silicon electronic portal images. Medical Physics, 31(7), 2135-2146.
• Fix, M., Keall, P., Dawson, K., Siebers, J. (2004). Monte Carlo source model for photon beam radiotherapy: photon source characteristics. Medical Physics, 31(11), 3106-3121.
• Kang, S., Cho, B., Park, S., Park, H., Bae, H., Kim, J., Keall, P., Siebers, J. (2004). Monte Carlo-based treatment planning for a spoiler system with experimental validation using plane-parallel ionization chambers. Physics in Medicine and Biology, 49(22), 5145-5155.
• Keall, P., Todor, A., Vedam, S., Bartee, C., Siebers, J., Kini, V., Mohan, R. (2004). On the use of EPID-based implanted marker tracking for 4D radiotherapy. Medical Physics, 31(12), 3492-3499.
• Vedam, S., Keall, P., Docef, A., Todor, D., Kini, V., Mohan, R. (2004). Predicting respiratory motion for four-dimensional radiotherapy. Medical Physics, 31(8), 2274-2283.
• Vedam, S., Keall, P., Kini, V., Mostafavi, H., Shukla, H., Mohan, R. (2003). Acquiring a four-dimensional computed tomography dataset using an external respiratory signal. Physics in Medicine and Biology, 48(1), 45-62.
• Keall, P., Williamson, J. (2003). Clinical evidence that more precisely defined dose distributions will improve cancer survival and decrease morbidity. Medical Physics, 30(6), 1281-1282.
• Keall, P., Siebers, J., Libby, B., Mohan, R. (2003). Determining the incident electron fluence for Monte Carlo-based photon treatment planning using a standard measured data set. Medical Physics, 30(4), 574-582.
• Reft, C., Alecu, R., Das, I., Gerbi, B., Keall, P., Lief, E., Mijnheer, B., Papanikolaou, N., Sibata, C., Van Dyk, J. (2003). Dosimetric considerations for patients with HIP prostheses undergoing pelvic irradiation. Medical Physics, 30(6), 1162-1182.
• Keall, P., Chock, L., Jeraj, R., Siebers, J., Mohan, R. (2003). Image reconstruction and the effect on dose calculation for hip prostheses. Medical Dosimetry, 28(2), 113-117.
• Kini, V., Vedam, S., Keall, P., Patil, S., Chen, C., Mohan, R. (2003). Patient training in respiratory-gated radiotherapy. Medical Dosimetry, 28(1), 7-11.
• George, R., Keall, P., Kini, V., Vedam, S., Siebers, J., Wu, Q., Lauterbach, M., Arthur, D., Mohan, R. (2003). Quantifying the effect of intrafraction motion during breast IMRT planning and dose delivery. Medical Physics, 30(4), 552-562.
• Vedam, S., Kini, V., Keall, P., Ramakrishnan, V., Mostafavi, H., Mohan, R. (2003). Quantifying the predictability of diaphragm motion during respiration with a noninvasive external marker. Medical Physics, 30(4), 505-513.
• Keall, P., Siebers, J., Jeraj, R., Mohan, R. (2003). Radiotherapy dose calculations in the presence of hip prostheses. Medical Dosimetry, 28(2), 107-112.
• Keall, P., Lammering, G., Lin, P., Winter, D., Chung, T., Mohan, R., Schmidt-Ullrich, R. (2003). Tumor control probability predictions for genetic radiotherapy. International Journal of Radiation: Oncology - Biology - Physics, 57(1), 255-263.
• Beckham, W., Keall, P., Siebers, J. (2002). A fluence-convolution method to calculate radiation therapy dose distributions that incorporate random set-up error. Physics in Medicine and Biology, 47(19), 3465-3473.
• Siebers, J., Keall, P., Kim, J., Mohan, R. (2002). A method for photon beam Monte Carlo multileaf collimator particle transport. Physics in Medicine and Biology, 47(17), 3225-3249.
• Liu, H., Keall, P., Hendee, W. (2002). Dm rather than Dw should be used in Monte Carlo treatment planning. Medical Physics, 29(5), 922-924.
• Keall, P., Siebers, J. (2002). Dosimetric advantage of using 6 MV over 15 MV photons in conformal therapy of lung cancer: Monte Carlo studies in patient geometries. Journal of Applied Clinical Medical Physics, 3(3), 260-260.
• Siebers, J., Lauterbach, M., Keall, P., Mohan, R. (2002). Incorporating multi-leaf collimator leaf sequencing into iterative IMRT optimization. Medical Physics, 29(6), 952-959.
• Keall, P., Kini, V., Vedam, S., Mohan, R. (2002). Potential radiotherapy improvements with respiratory gating. Australasian Physical and Engineering Sciences in Medicine, 25(1), 1-6.
• Jeraj, R., Keall, P., Siebers, J. (2002). The effect of dose calculation accuracy on inverse treatment planning. Physics in Medicine and Biology, 47(3), 391-407.

Conferences

• Ruan, D., Keall, P. (2011). Dynamic multileaf collimator control for motion adaptive radiotherapy: an optimization approach. 2011 IEEE Power Engineering and Automation Conference (PEAM 2011), Piscataway, New Jersey, United States of America: (IEEE) Institute of Electrical and Electronics Engineers. [More Information]

2014

• Shieh, C., Kipritidis, J., O'Brien, R., Kuncic, Z., Keall, P. (2014). Image quality in thoracic 4D cone-beam CT: a sensitivity analysis of respiratory signal, binning method, reconstruction algorithm, and projection angular spacing. Medical Physics, 41(4), 041912-1-041912-18. [More Information]
• Sawant, A., Keall, P., Butts Pauly, K., Alley, M., Vasanawala, S., Loo, B., Hinkle, J., Joshi, S. (2014). Investigating the feasibility of rapid MRI for image-guided motion management in lung cancer radiotherapy. BioMed Research International, 2013, 485067- 1-485067- 7. [More Information]
• O'Brien, R., Cooper, B., Kipritidis, J., Shieh, C., Keall, P. (2014). Respiratory motion guided four dimensional cone beam computed tomography: Encompassing irregular breathing. Physics in Medicine and Biology, 59(3), 579-595-579-595. [More Information]
• Keall, P., Colvill, E., O'Brien, R., Ng, J., Poulsen, P., Eade, T., Kneebone, A., Booth, J. (2014). The first clinical implementation of electromagnetic transponder-guided MLC tracking. Medical Physics, 41(2), 1-5. [More Information]
• Steel, H., Pollock, S., Lee, D., Keall, P., Kim, T. (2014). The internal-external respiratory motion correlation is unaffected by audiovisual biofeedback. Australasian Physical and Engineering Sciences in Medicine, 37, 97-102. [More Information]
• Yang, J., Yamamoto, T., Mazin, S., Graves, E., Keall, P. (2014). The potential of positron emission tomography for intratreatment dynamic lung tumor tracking: a phantom study. Medical Physics, 41(2), 021718-1-021718-14. [More Information]
• Kipritidis, J., Siva, S., Hofman, M., Keall, P. (2014). Validating and improving CT ventilation imaging by correlating with ventilation 4D-PET/CT using 68Ga-labeled nanoparticles. Medical Physics, 41(1), 1-12. [More Information]

2013

• Yamamoto, T., Kabus, S., Lorenz, C., Johnston, E., Maxim, P., Diehn, M., Eclov, N., Barquero, C., Loo, Jr., B., Keall, P. (2013). 4D CT lung ventilation images are affected by the 4D CT sorting method. Medical Physics, 40(10), 1-9. [More Information]
• Pollock, S., Lee, D., Keall, P., Kim, T. (2013). Audiovisual biofeedback improves motion prediction accuracy. Medical Physics, 40(4), 041705-1-041705-9. [More Information]
• Pommer, T., Falk, M., Poulsen, P., Keall, P., O'Brien, R., Petersen, P., af Rosenschold, P. (2013). Dosimetric benefit of DMLC tracking for conventional and sub-volume boosted prostate intensity-modulated arc radiotherapy. Physics in Medicine and Biology, 58(7), 2349-2361. [More Information]
• Ng, J., Booth, J., Poulsen, P., Kuncic, Z., Keall, P. (2013). Estimation of effective imaging dose for kilovoltage intratreatment monitoring of the prostate position during cancer radiotherapy. Physics in Medicine and Biology, 58(17), 5983-5996. [More Information]
• Balik, S., Weiss, E., Jan, N., Roman, N., Sleeman, W., Fatyga, M., Christensen, G., Zhang, C., Murphy, M., Lu, J., Keall, P., et al (2013). Evaluation of 4-dimensional Computed Tomography to 4-dimensional Cone-Beam Computed Tomography Deformable Image Registration for Lung Cancer Adaptive Radiation Therapy. International Journal of Radiation: Oncology - Biology - Physics, 86(2), 372-379. [More Information]
• Kolling, S., Oborn, B., Keall, P. (2013). Impact of the MLC on the MRI field distortion of a prototype MRI-linac. Medical Physics, 40(12), 121705-1-121705-10. [More Information]
• Rottman, J., Keall, P., Berbeco, R. (2013). Markerless EPID image guided dynamic multi-leaf collimator tracking for lung tumors. Physics in Medicine and Biology, 58(12), 4195-4204. [More Information]
• O'Brien, R., Cooper, B., Keall, P. (2013). Optimizing 4D cone beam computed tomography acquisition by varying the gantry velocity and projection time interval. Physics in Medicine and Biology, 58(6), 1705-1723. [More Information]
• Nasehi Tehrani, J., O'Brien, R., Poulsen, P., Keall, P. (2013). Real-time estimation of prostate tumor rotation and translation with a kV imaging system based on an iterative closest point algorithm. Physics in Medicine and Biology, 58(23), 8517-8533. [More Information]
• Rottmann, J., Keall, P., Berbeco, R. (2013). Real-time soft tissue motion estimation for lung tumors during radiotherapy delivery. Medical Physics, 40(9), 091713-1-091713-7. [More Information]
• Cooper, B., O'Brien, R., Balik, S., Hugo, G., Keall, P. (2013). Respiratory triggered 4D cone-beam computed tomography: A novel method to reduce imaging dose. Medical Physics, 40(4), 041901-1-041901-9. [More Information]
• Pommer, T., Falk, M., Poulsen, P., Keall, P., O'Brien, R., af Rosenschold, P. (2013). The impact of leaf width and plan complexity on DMLC tracking of prostate intensity modulated arc therapy. Medical Physics, 40(11), 111717-1-111717-6. [More Information]
• Bjerre, T., Crijns, S., af Rosenschold, P., Aznar, M., Specht, L., Larsen, R., Keall, P. (2013). Three-dimensional MRI-linac intra-fraction guidance using multiple orthogonal cine-MRI planes. Physics in Medicine and Biology, 58(14), 4943-4950. [More Information]
• Ravkilde, T., Keall, P., Grau, C., Hoyer, M., Poulsen, P. (2013). Time-resolved dose distributions to moving targets during volumetric modulated arc therapy with and without dynamic MLC tracking. Medical Physics, 40(11), 111723-1-111723-8. [More Information]
• Ravkilde, T., Keall, P., Grau, C., Hoyer, M., Poulsen, P. (2013). Time-resolved dose reconstruction by motion encoding of volumetric modulated arc therapy fields delivered with and without dynamic multi-leaf collimator tracking. Acta Oncologica, 52(7), 1497-1503. [More Information]

2012

• Poulsen, P., Schmidt, M., Keall, P., Worm, E., Fledelius, W., Hoffmann, L. (2012). A method of dose reconstruction for moving targets compatible with dynamic treatments. Medical Physics, 39(10), 6237-6246. [More Information]
• Kim, T., Pollock, S., Lee, D., O'Brien, R., Keall, P. (2012). Audiovisual biofeedback improves diaphragm motion reproducibility in MRI. Medical Physics, 39(11), 6921-6928. [More Information]
• Wu, J., Ruan, D., Cho, B., Sawant, A., Petersen, J., Newell, L., Cattell, H., Keall, P. (2012). Electromagnetic Detection and Real-Time DMLC Adaptation to Target Rotation During Radiotherapy. International Journal of Radiation: Oncology - Biology - Physics, 82(3), e545-e553. [More Information]
• Oborn, B., Metcalfe, P., Butson, M., Rosenfeld, A., Keall, P. (2012). Electron contamination modeling and skin dose in 6 MV longitudinal field MRIgRT: Impact of the MRI and MRI fringe field. Medical Physics, 39(2), 874-890. [More Information]
• Cho, B., Poulsen, P., Ruan, D., Sawant, A., Keall, P. (2012). Experimental investigation of a general real-time 3D target localization method using sequential kV imaging combined with respiratory monitoring. Physics in Medicine and Biology, 57(22), 7395-7407. [More Information]
• Poulsen, P., Fledelius, W., Cho, B., Keall, P. (2012). Image-Based Dynamic Multileaf Collimator Tracking of Moving Targets During Intensity-Modulated Arc Therapy. International Journal of Radiation: Oncology - Biology - Physics, 83(2), e265-e271. [More Information]
• Ng, J., Booth, J., Poulsen, P., Fledelius, W., Worm, E., Eade, T., Hegi-Johnson, F., Kneebone, A., Kuncic, Z., Keall, P. (2012). Kilovoltage intrafraction monitoring for prostate intensity modulated arc therapy: First clinical results. International Journal of Radiation: Oncology - Biology - Physics, 84(5), e655-e661. [More Information]
• Crocker, J., Ng, J., Keall, P., Booth, J. (2012). Measurement of patient imaging dose for real-time kilovoltage x-ray intrafraction tumour position monitoring in prostate patients. Physics in Medicine and Biology, 57(10), 2969-2980. [More Information]
• Poulsen, P., Carl, J., Nielsen, J., Nielsen, M., Thomsen, J., Jensen, H., Kjaergaard, B., Zepernick, P., Worm, E., Fledelius, W., Keall, P., et al (2012). Megavoltage Image-Based Dynamic Multileaf Collimator Tracking of a NiTi Stent in Porcine Lungs on a Linear Accelerator. International Journal of Radiation: Oncology - Biology - Physics, 82(2), e321-e327. [More Information]
• Yamamoto, T., Kabus, S., von Berg, J., Lorenz, C., Chung, M., Hong, J., Loo, B., Keall, P. (2012). Reproducibility of four-dimensional computed tomography-based lung ventilation imaging. Academic Radiology, 19(12), 1554-1565. [More Information]
• Falk, M., Larsson, T., Keall, P., Chul Cho, B., Aznar, M., Korreman, S., Poulsen, P., af Rosenschold, P. (2012). The dosimetric impact of inversely optimized arc radiotherapy plan modulation for real-time dynamic MLC tracking delivery. Medical Physics, 39(3), 1588-1594. [More Information]
• Yang, J., Yamamoto, T., Cho, B., Seo, Y., Keall, P. (2012). The impact of audio-visual biofeedback on 4D PET images: Results of a phantom study. Medical Physics, 39(2), 1046-1057. [More Information]

2011

• Poulsen, P., Fledelius, W., Keall, P., Weiss, E., Lu, J., Brackbill, E., Hugo, G. (2011). A method for robust segmentation of arbitrarily shaped radiopaque structures in cone-beam CT projections. Medical Physics, 38(4), 2151-2156. [More Information]
• Constantin, D., Fahrig, R., Keall, P. (2011). A study of the effect of in-line and perpendicular magnetic fields on beam characteristics of electron guns in medical linear accelerators. Medical Physics, 38(7), 4174-4185. [More Information]
• Ruan, D., Keall, P. (2011). Dynamic multileaf collimator control for motion adaptive radiotherapy: an optimization approach. 2011 IEEE Power Engineering and Automation Conference (PEAM 2011), Piscataway, New Jersey, United States of America: (IEEE) Institute of Electrical and Electronics Engineers. [More Information]
• Keall, P., Sawant, A., Cho, B., Ruan, D., Wu, J., Poulsen, P., Petersen, J., Newell, L., Cattell, H., Korreman, S. (2011). Electromagnetic-Guided Dynamic Multileaf Collimator Tracking Enables Motion Management for Intensity-Modulated Arc Therapy. International Journal of Radiation: Oncology - Biology - Physics, 79(1), 312-320. [More Information]
• Yoon, J., Sawant, A., Suh, Y., Cho, B., Suh, T., Keall, P. (2011). Experimental investigation of a moving averaging algorithm for motion perpendicular to the leaf travel direction in dynamic MLC target tracking. Medical Physics, 38(7), 3924-3931. [More Information]
• Yamamoto, T., Kabus, S., Klinder, T., von Berg, J., Lorenz, C., Loo, Jr., B., Keall, P. (2011). Four-dimensional computed tomography pulmonary ventilation images vary with deformable image registration algorithms and metrics. Medical Physics, 38(3), 1348-1358. [More Information]
• Ravkilde, T., Keall, P., Hojbjerre, K., Fledelius, W., Worm, E., Poulsen, P. (2011). Geometric accuracy of dynamic MLC tracking with an implantable wired electromagnetic transponder. Acta Oncologica, 50(6), 944-951. [More Information]
• Carlson, D., Keall, P., Loo, B., Chen, Z., Brown, J. (2011). Hypofractionation results in reduced tumor cell kill compared to conventional fractionation for tumors with regions of hypoxia. International Journal of Radiation: Oncology - Biology - Physics, 79(4), 1188-1195. [More Information]
• Yamamoto, T., Kabus, S., von Berg, J., Lorenz, C., Keall, P. (2011). Impact of Four-Dimensional Computed Tomography Pulmonary Ventilation Imaging-Based Functional Avoidance for Lung Cancer Radiotherapy. International Journal of Radiation: Oncology - Biology - Physics, 79(1), 279-288. [More Information]
• Yamamoto, T., Kabus, S., Klinder, T., Lorenz, C., von Berg, J., Blaffert, T., Loo Jr, B., Keall, P. (2011). Investigation of four-dimensional computed tomography-based pulmonary ventilation imaging in patients with emphysematous lung regions. Physics in Medicine and Biology, 56(7), 2279-2298. [More Information]
• Keall, P. (2011). Locating and targeting moving tumors with radiation beams. Frontiers of Radiation Therapy and Oncology, 43, 118-131. [More Information]
• Constantin, M., Perl, J., LoSasso, T., Salop, A., Whittum, D., Narula, A., Svatos, M., Keall, P. (2011). Modeling the truebeam linac using a CAD to Geant4 geometry implementation: dose and IAEA-compliant phase space calculations. Medical Physics, 38(7), 4018-4024. [More Information]
• Cho, B., Poulsen, P., Sawant, A., Ruan, D., Keall, P. (2011). Real-Time Target Position Estimation Using Stereoscopic Kilovoltage/Megavoltage Imaging and External Respiratory Monitoring for Dynamic Multileaf Collimator Tracking. International Journal of Radiation: Oncology - Biology - Physics, 79(1), 269-278. [More Information]
• Fledelius, W., Keall, P., Cho, B., Yang, X., Morf, D., Scheib, S., Poulsen, P. (2011). Tracking latency in image-based dynamic MLC tracking with direct image access. Acta Oncologica, 50(6), 952-959. [More Information]

2010

• Zhou, H., Rodriguez, M., Van Den Haak, F., Nelson, G., Jogani, R., Xu, J., Zhu, X., Xian, Y., Tran, P., Felsher, D., Keall, P., et al (2010). Development of a Micro-Computed Tomography-Based Image-Guided Conformal Radiotherapy System for Small Animals. International Journal of Radiation: Oncology - Biology - Physics, 78(1), 297-305. [More Information]
• Poulsen, P., Cho, B., Ruan, D., Sawant, A., Keall, P. (2010). Dynamic Multileaf Collimator Tracking of Respiratory Target Motion Based on a Single Kilovoltage Imager During Arc Radiotherapy. International Journal of Radiation: Oncology - Biology - Physics, 77(2), 600-607. [More Information]
• Poulsen, P., Cho, B., Sawant, A., Keall, P. (2010). Implementation of a new method for dynamic multileaf collimator tracking of prostate motion in arc radiotherapy using a single kV imager. International Journal of Radiation: Oncology - Biology - Physics, 76(3), 914-923. [More Information]
• Motomura, A., Bazalova, M., Zhou, H., Keall, P., Graves, E. (2010). Investigation of the effects of treatment planning variables in small animal radiotherapy dose distributions. Medical Physics, 37(2), 590-599. [More Information]
• Constantin, M., Constantin, D., Keall, P., Narula, A., Svatos, M., Perl, J. (2010). Linking computer-aided design (CAD) to Geant4-based Monte Carlo simulations for precise implementation of complex treatment head geometries. Physics in Medicine and Biology, 55(8), N211-N220. [More Information]
• Ruan, D., Keall, P. (2010). Online prediction of respiratory motion: multidimensional processing with low-dimensional feature learning. Physics in Medicine and Biology, 55(11), 3011-3025. [More Information]
• Langner, U., Keall, P. (2010). Quantification of artifact reduction with real-time cine four-dimensional computed tomography acquisition methods. International Journal of Radiation: Oncology - Biology - Physics, 76(4), 1242-1250. [More Information]
• Falk, M., af Rosenschold, P., Keall, P., Cho, B., Poulsen, P., Povzner, S., Sawant, A., Zimmerman, J., Korreman, S. (2010). Real-time dynamic MLC tracking for inversely optimized arc radiotherapy. Radiotherapy and Oncology, 94(2), 218-223. [More Information]
• Cho, B., Poulsen, P., Keall, P. (2010). Real-time tumor tracking using sequential kV imaging combined with respiratory monitoring: a general framework applicable to commonly used IGRT systems. Physics in Medicine and Biology, 55(12), 3299-3316. [More Information]

2009

• Zhou, H., Keall, P., Graves, E. (2009). A bone composition model for Monte Carlo x-ray transport simulations. Medical Physics, 36(3), 1008-1018. [More Information]
• Langner, U., Keall, P. (2009). Accuracy in the localization of thoracic and abdominal tumors using respiratory displacement, velocity, and phase. Medical Physics, 36(2), 386-393.
• Rodriguez, M., Zhou, H., Keall, P., Graves, E. (2009). Commissioning of a novel microCT/RT system for small animal conformal radiotherapy. Physics in Medicine and Biology, 54(12), 3727-3740. [More Information]
• Jabbari, K., Keall, P., Seuntjens, J. (2009). Considerations and limitations of fast Monte Carlo electron transport in radiation therapy based on precalculated data. Medical Physics, 36(2), 530-540. [More Information]
• Zimmerman, J., Korreman, S., Persson, G., Cattell, H., Svatos, M., Sawant, A., Venkat, R., Carlson, D., Keall, P. (2009). DMLC motion tracking of moving targets for intensity modulated arc therapy treatment - a feasibility study. Acta Oncologica, 48(2), 245-250.
• Keall, P. (2009). Evolving technological changes and the impact on our profession. Australasian Physical and Engineering Sciences in Medicine, 32(3), x-xi. [More Information]
• Cho, B., Poulsen, P., Sloutsky, A., Sawant, A., Keall, P. (2009). First demonstration of combined kV/MV image-guided real-time dynamic multileaf-collimator target tracking. International Journal of Radiation: Oncology - Biology - Physics, 74(3), 859-867. [More Information]
• Suh, Y., Sawant, A., Venkat, R., Keall, P. (2009). Four-dimensional IMRT treatment planning using a DMLC motion-tracking algorithm. Physics in Medicine and Biology, 54(12), 3821-3835. [More Information]
• Ma, Y., Lee, L., Keshet, O., Keall, P., Xing, L. (2009). Four-dimensional inverse treatment planning with inclusion of implanted fiducials in IMRT segmented fields. Medical Physics, 36(6), 2215-2221. [More Information]
• Smith, R., Sawant, A., Santanam, L., Venkat, R., Newell, L., Cho, B., Poulsen, P., Cattell, H., Keall, P., Parikh, P. (2009). Integration of real-time internal electromagnetic position monitoring coupled with dynamic multileaf collimator tracking: an intensity-modulated radiation therapy feasibility study. International Journal of Radiation: Oncology - Biology - Physics, 74(3), 868-875. [More Information]
• Bazalova, M., Zhou, H., Keall, P., Graves, E. (2009). Kilovoltage beam Monte Carlo dose calculations in submillimeter voxels for small animal radiotherapy. Medical Physics, 36(11), 4991-4999.
• Dogan, N., Mihaylov, I., Wu, Y., Keall, P., Siebers, J., Hagan, M. (2009). Monte Carlo dose verification of prostate patients treated with simultaneous integrated boost intensity modulated radiation therapy. Radiation Oncology, 4, 1-17. [More Information]
• Ruan, D., Fessler, J., Balter, J., Keall, P. (2009). Real-time profiling of respiratory motion: baseline drift, frequency variation and fundamental pattern change. Physics in Medicine and Biology, 54(15), 4777-4792. [More Information]
• Sawant, A., Smith, R., Venkat, R., Santanam, L., Cho, B., Poulsen, P., Cattell, H., Newell, L., Parikh, P., Keall, P. (2009). Toward submillimeter accuracy in the management of intrafraction motion: the integration of real-time internal position monitoring and multileaf collimator target tracking. International Journal of Radiation: Oncology - Biology - Physics, 74(2), 575-582. [More Information]

2008

• Suh, Y., Weiss, E., Zhong, H., Fatyga, M., Siebers, J., Keall, P. (2008). A deliverable four-dimensional intensity-modulated radiation therapy-planning method for dynamic multileaf collimator tumor tracking delivery. International Journal of Radiation: Oncology - Biology - Physics, 71(5), 1526-1536. [More Information]
• Poulsen, P., Cho, B., Keall, P. (2008). A method to estimate mean position, motion magnitude, motion correlation, and trajectory of a tumor from cone-beam CT projections for image-guided radiotherapy. International Journal of Radiation: Oncology - Biology - Physics, 72(5), 1587-1596. [More Information]
• Cho, B., Suh, Y., Dieterich, S., Keall, P. (2008). A monoscopic method for real-time tumour tracking using combined occasional x-ray imaging and continuous respiratory monitoring. Physics in Medicine and Biology, 53(11), 2837-2855. [More Information]
• Luxton, G., Keall, P., King, C. (2008). A new formula for normal tissue complication probability (NTCP) as a function of equivalent uniform dose (EUD). Physics in Medicine and Biology, 53(1), 23-36. [More Information]
• Suh, Y., Dieterich, S., Cho, B., Keall, P. (2008). An analysis of thoracic and abdominal tumour motion for stereotactic body radiotherapy patients. Physics in Medicine and Biology, 53(13), 3623-3640. [More Information]
• Yorke, E., Keall, P., Verhaegen, F. (2008). Anniversary paper: Role of medical physicists and the AAPM in improving geometric aspects of treatment accuracy and precision. Medical Physics, 35(3), 828-839. [More Information]
• Weiss, E., Wijesooriya, K., Ramakrishnan, V., Keall, P. (2008). Comparison of intensity-modulated radiotherapy planning based on manual and automatically generated contours using deformable image registration in four-dimensional computed tomography of lung cancer patients. International Journal of Radiation: Oncology - Biology - Physics, 70(2), 572-581.e2. [More Information]
• Venkat, R., Sawant, A., Suh, Y., George, R., Keall, P. (2008). Development and preliminary evaluation of a prototype audiovisual biofeedback device incorporating a patient-specific guiding waveform. Physics in Medicine and Biology, 53(11), N197-N208.
• Weiss, E., Wijesooriya, K., Keall, P. (2008). Esophagus and spinal cord motion relative to GTV motion in four-dimensional CTs of lung cancer patients. Radiotherapy and Oncology, 87(1), 44-48. [More Information]
• Keall, P., Chang, M., Benedict, S., Thames, H., Vedam, S., Lin, P. (2008). Investigating the temporal effects of respiratory-gated and intensity-modulated radiotherapy treatment delivery on in vitro survival: an experimental and theoretical study. International Journal of Radiation: Oncology - Biology - Physics, 71(5), 1547-1552. [More Information]
• Dieterich, S., Cleary, K., D’Souza, W., Murphy, M., Wong, K., Keall, P. (2008). Locating and targeting moving tumors with radiation beams. Medical Physics, 35(12), 5684-5694. [More Information]
• Sawant, A., Venkat, R., Srivastava, V., Carlson, D., Povzner, S., Cattell, H., Keall, P. (2008). Management of three-dimensional intrafraction motion through real-time DMLC tracking. Medical Physics, 35(5), 2050-2061. [More Information]
• George, R., Suh, Y., Murphy, M., Williamson, J., Weiss, E., Keall, P. (2008). On the accuracy of a moving average algorithm for target tracking during radiation therapy treatment delivery. Medical Physics, 35(6), 2356-2365. [More Information]
• Langner, U., Keall, P. (2008). Prospective displacement and velocity-based cine 4D CT. Medical Physics, 35(10), 4501-4512. [More Information]
• Wijesooriya, K., Weiss, E., Dill, V., Dong, L., Mohan, R., Joshi, S., Keall, P. (2008). Quantifying the accuracy of automated structure segmentation in 4D CT images using a deformable image registration algorithm. Medical Physics, 35(4), 1251-1260. [More Information]
• Yamamoto, T., Langner, U., Loo, B., Shen, J., Keall, P. (2008). Retrospective analysis of artifacts in four-dimensional CT images of 50 abdominal and thoracic radiotherapy patients. International Journal of Radiation: Oncology - Biology - Physics, 72(4), 1250-1258. [More Information]
• Keall, P., Arief, I., Shamas, S., Weiss, E., Castle, S. (2008). The development and investigation of a prototype three-dimensional compensator for whole brain radiation therapy. Physics in Medicine and Biology, 53(9), 2267-2276. [More Information]
• Poulsen, P., Cho, B., Langen, K., Kupelian, P., Keall, P. (2008). Three-dimensional prostate position estimation with a single x-ray imager utilizing the spatial probability density. Physics in Medicine and Biology, 53(16), 4331-4353. [More Information]

2007

• Keall, P., Lauve, A., Hagan, M., Siebers, J. (2007). A strategy to correct for intrafraction target translation in conformal prostate radiotherapy: simulation results. Medical Physics, 34(6), 1944-1951. [More Information]
• Weiss, E., Siebers, J., Keall, P. (2007). An analysis of 6-MV versus 18-MV photon energy plans for intensity-modulated radiation therapy (IMRT) of lung cancer. Radiotherapy and Oncology, 82(1), 55-62. [More Information]
• Xing, L., Siebers, J., Keall, P. (2007). Computational Challenges for Image-Guided Radiation Therapy: Framework and Current Research. Seminars in Radiation Oncology. [More Information]
• Graves, E., Zhou, H., Chatterjee, R., Keall, P., Gambhir, S., Contag, C., Boyer, A. (2007). Design and evaluation of a variable aperture collimator for conformal radiotherapy of small animals using a microCT scanner. Medical Physics, 34(11), 4359-4367. [More Information]
• Suh, Y., Dieterich, S., Keall, P. (2007). Geometric uncertainty of 2D projection imaging in monitoring 3D tumor motion. Physics in Medicine and Biology, 52(12), 3439-3454. [More Information]
• Weiss, E., Ramakrishnan, V., Keall, P. (2007). Is there a selection bias in radiotherapy dose-escalation protocols? International Journal of Radiation: Oncology - Biology - Physics, 68(5), 1359-1365. [More Information]
• Keall, P., Webb, S. (2007). Optimum parameters in a model for tumour control probability, including interpatient heterogeneity: evaluation of the log-normal distribution. Physics in Medicine and Biology, 52(1), 291-302. [More Information]
• Heath, E., Collins, D., Keall, P., Dong, L., Seuntjens, J. (2007). Quantification of accuracy of the automated nonlinear image matching and anatomical labeling (ANIMAL) nonlinear registration algorithm for 4D CT images of lung. Medical Physics, 34(11), 4409-4421. [More Information]
• Chetty, I., Curran, B., Cygler, J., DeMarco, J., Ezzell, G., Faddegon, B., Kawrakow, I., Keall, P., Liu, H., Ma, C., et al (2007). Report of the AAPM Task Group No. 105: Issues associated with clinical implementation of Monte Carlo-based photon and electron external beam treatment planning. Medical Physics, 34(12), 4818-4853. [More Information]
• Li, X., Keall, P., Orton, C. (2007). Respiratory gating for radiation therapy is not ready for prime time. Medical Physics, 34(3), 867-870. [More Information]
• Keall, P., Vedam, S., George, R., Williamson, J. (2007). Respiratory regularity gated 4D CT acquisition: concepts and proof of principle. Australasian Physical and Engineering Sciences in Medicine, 30(3), 211-220. [More Information]
• Weiss, E., Wijesooriya, K., Dill, V., Keall, P. (2007). Tumor and normal tissue motion in the thorax during respiration: Analysis of volumetric and positional variations using 4D CT. International Journal of Radiation: Oncology - Biology - Physics, 67(1), 296-307. [More Information]

2006

• George, R., Chung, T., Vedam, S., Ramakrishnan, V., Mohan, R., Weiss, E., Keall, P. (2006). Audio-visual biofeedback for respiratory-gated radiotherapy: impact of audio instruction and audio-visual biofeedback on respiratory-gated radiotherapy. International Journal of Radiation: Oncology - Biology - Physics, 65(3), 924-933. [More Information]
• Dogan, N., Siebers, J., Keall, P. (2006). Clinical comparison of head and neck and prostate IMRT plans using absorbed dose to medium and absorbed dose to water. Physics in Medicine and Biology, 51(19), 4967-4980. [More Information]
• Fitzpatrick, M., Starkschall, G., Antolak, J., Fu, J., Shukla, H., Keall, P., Klahr, P., Mohan, R. (2006). Displacement-based binning of time-dependent computed tomography image data sets. Medical Physics, 33(1), 235-246. [More Information]
• Keall, P., Cattell, H., Pokhrel, D., Dieterich, S., Wong, K., Murphy, M., Vedam, S., Wijesooriya, K., Mohan, R. (2006). Geometric accuracy of a real-time target tracking system with dynamic multileaf collimator tracking system. International Journal of Radiation: Oncology - Biology - Physics, 65(5), 1579-1584. [More Information]
• Dogan, N., Siebers, J., Keall, P., Lerma, F., Wu, Y., Fatyga, M., Williamson, J., Schmidt-Ullrich, R. (2006). Improving IMRT dose accuracy via deliverable Monte Carlo optimization for the treatment of head and neck cancer patients. Medical Physics, 33(1), 4033-4043. [More Information]
• George, R., Ramakrishnan, V., Siebers, J., Chung, T., Keall, P. (2006). Investigation of patient, tumour and treatment variables affecting residual motion for respiratory-gated radiotherapy. Physics in Medicine and Biology, 51(20), 5305-5319. [More Information]
• Sakthi, N., Keall, P., Mihaylov, I., Wu, Q., Wu, Y., Williamson, J., Schmidt-Ullrich, R., Siebers, J. (2006). Monte Carlo-based dosimetry of head-and-neck patients treated with SIB-IMRT. International Journal of Radiation: Oncology - Biology - Physics, 64(3), 968-977. [More Information]
• Keall, P., Vedam, S., George, R., Bartee, C., Siebers, J., Lerma, F., Weiss, E., Chung, T. (2006). The clinical implementation of respiratory-gated intensity-modulated radiotherapy. Medical Dosimetry, 31(2), 152-162. [More Information]
• Keall, P., Mageras, G., Balter, J., Emery, R., Forster, K., Jiang, S., Kapatoes, J., Low, D., Murphy, M., Murray, B. (2006). The management of respiratory motion in radiation oncology report of AAPM Task Group 76. Medical Physics, 33(10), 3874-3900. [More Information]

2005

• Fitzpatrick, M., Starkschall, G., Balter, P., Antolak, J., Guerrero, T., Nelson, C., Keall, P., Mohan, R. (2005). A novel platform simulating irregular motion to enhance assessment of respiration-correlated radiation therapy procedures. Journal of Applied Clinical Medical Physics, 6(1), 13-21.
• Wijesooriya, K., Bartee, C., Siebers, J., Vedam, S., Keall, P. (2005). Determination of maximum leaf velocity and acceleration of a dynamic multileaf collimator: Implications for 4D radiotherapy. Medical Physics, 32(4), 932-941. [More Information]
• Vedam, S., Docef, A., Fix, M., Murphy, M., Keall, P. (2005). Dosimetric impact of geometric errors due to respiratory motion prediction on dynamic multileaf collimator-based four-dimensional radiation delivery. Medical Physics. [More Information]
• Siebers, J., Keall, P., Wu, Q., Williamson, J., Schmidt-Ullrich, R. (2005). Effect of patient setup errors on simultaneously integrated boost head and neck IMRT treatment plans. International Journal of Radiation: Oncology - Biology - Physics, 63(2), 422-433. [More Information]
• Keall, P., Joshi, S., Vedam, S., Siebers, J., Kini, V., Mohan, R. (2005). Four-dimensional radiotherapy planning for DMLC-based respiratory motion tracking. Medical Physics, 32(4), 942-951. [More Information]
• George, R., Keall, P., Kini, V., Vedam, S., Ramakrishnan, V., Mohan, R. (2005). Is the diaphragm motion probability density function normally distributed? Medical Physics, 32(2), 396-404. [More Information]
• Weiss, E., Vorwerk, H., Keall, P., Pradier, O., Christiansen, H., Hille, A., Hess, C. (2005). Letter to the editor concerning Senan et al. Radiotherapy and Oncology, 72(3), 346-347.
• Fix, M., Keall, P., Siebers, J. (2005). Photon-beam subsource sensitivity to the initial electron-beam parameters. Medical Physics, 32(4), 1164-1175. [More Information]
• Venning, A., Nitschke, K., Keall, P., Baldock, C. (2005). Radiological properties of normoxic polymer gel dosimeters. Medical Physics, 32(4), 1047-1053.
• Papiez, L., Rangaraj, D., Keall, P. (2005). Real-time DMLC IMRT delivery for mobile and deforming targets. Medical Physics, 32(9), 3037-3048. [More Information]
• George, R., Vedam, S., Chung, T., Ramakrishnan, V., Keall, P. (2005). The application of the sinusoidal model to lung cancer patient respiratory motion. Medical Physics, 32(9), 2850-2861. [More Information]

2004

• Keall, P. (2004). 4-dimensional computed tomography imaging and treatment planning. Seminars in Radiation Oncology, 14(1), 81-90.
• Keall, P., Starkschall, G., Shukla, H., Forster, K., Ortiz, V., Stevens, C., Vedam, S., George, R., Guerrero, T., Mohan, R. (2004). Acquiring 4D thoracic CT scans using a multislice helical method. Physics in Medicine and Biology, 49(10), 2053-2067.
• Keall, P., Siebers, J., Joshi, S., Mohan, R. (2004). Monte Carlo as a four-dimensional radiotherapy treatment-planning tool to account for respiratory motion. Physics in Medicine and Biology, 49(16), 3639-3648.
• Siebers, J., Kim, J., Ko, L., Keall, P., Mohan, R. (2004). Monte Carlo computation of dosimetric amorphous silicon electronic portal images. Medical Physics, 31(7), 2135-2146.
• Fix, M., Keall, P., Dawson, K., Siebers, J. (2004). Monte Carlo source model for photon beam radiotherapy: photon source characteristics. Medical Physics, 31(11), 3106-3121.
• Kang, S., Cho, B., Park, S., Park, H., Bae, H., Kim, J., Keall, P., Siebers, J. (2004). Monte Carlo-based treatment planning for a spoiler system with experimental validation using plane-parallel ionization chambers. Physics in Medicine and Biology, 49(22), 5145-5155.
• Keall, P., Todor, A., Vedam, S., Bartee, C., Siebers, J., Kini, V., Mohan, R. (2004). On the use of EPID-based implanted marker tracking for 4D radiotherapy. Medical Physics, 31(12), 3492-3499.
• Vedam, S., Keall, P., Docef, A., Todor, D., Kini, V., Mohan, R. (2004). Predicting respiratory motion for four-dimensional radiotherapy. Medical Physics, 31(8), 2274-2283.

2003

• Vedam, S., Keall, P., Kini, V., Mostafavi, H., Shukla, H., Mohan, R. (2003). Acquiring a four-dimensional computed tomography dataset using an external respiratory signal. Physics in Medicine and Biology, 48(1), 45-62.
• Keall, P., Williamson, J. (2003). Clinical evidence that more precisely defined dose distributions will improve cancer survival and decrease morbidity. Medical Physics, 30(6), 1281-1282.
• Keall, P., Siebers, J., Libby, B., Mohan, R. (2003). Determining the incident electron fluence for Monte Carlo-based photon treatment planning using a standard measured data set. Medical Physics, 30(4), 574-582.
• Reft, C., Alecu, R., Das, I., Gerbi, B., Keall, P., Lief, E., Mijnheer, B., Papanikolaou, N., Sibata, C., Van Dyk, J. (2003). Dosimetric considerations for patients with HIP prostheses undergoing pelvic irradiation. Medical Physics, 30(6), 1162-1182.
• Keall, P., Chock, L., Jeraj, R., Siebers, J., Mohan, R. (2003). Image reconstruction and the effect on dose calculation for hip prostheses. Medical Dosimetry, 28(2), 113-117.
• Kini, V., Vedam, S., Keall, P., Patil, S., Chen, C., Mohan, R. (2003). Patient training in respiratory-gated radiotherapy. Medical Dosimetry, 28(1), 7-11.
• George, R., Keall, P., Kini, V., Vedam, S., Siebers, J., Wu, Q., Lauterbach, M., Arthur, D., Mohan, R. (2003). Quantifying the effect of intrafraction motion during breast IMRT planning and dose delivery. Medical Physics, 30(4), 552-562.
• Vedam, S., Kini, V., Keall, P., Ramakrishnan, V., Mostafavi, H., Mohan, R. (2003). Quantifying the predictability of diaphragm motion during respiration with a noninvasive external marker. Medical Physics, 30(4), 505-513.
• Keall, P., Siebers, J., Jeraj, R., Mohan, R. (2003). Radiotherapy dose calculations in the presence of hip prostheses. Medical Dosimetry, 28(2), 107-112.
• Keall, P., Lammering, G., Lin, P., Winter, D., Chung, T., Mohan, R., Schmidt-Ullrich, R. (2003). Tumor control probability predictions for genetic radiotherapy. International Journal of Radiation: Oncology - Biology - Physics, 57(1), 255-263.

2002

• Beckham, W., Keall, P., Siebers, J. (2002). A fluence-convolution method to calculate radiation therapy dose distributions that incorporate random set-up error. Physics in Medicine and Biology, 47(19), 3465-3473.
• Siebers, J., Keall, P., Kim, J., Mohan, R. (2002). A method for photon beam Monte Carlo multileaf collimator particle transport. Physics in Medicine and Biology, 47(17), 3225-3249.
• Liu, H., Keall, P., Hendee, W. (2002). Dm rather than Dw should be used in Monte Carlo treatment planning. Medical Physics, 29(5), 922-924.
• Keall, P., Siebers, J. (2002). Dosimetric advantage of using 6 MV over 15 MV photons in conformal therapy of lung cancer: Monte Carlo studies in patient geometries. Journal of Applied Clinical Medical Physics, 3(3), 260-260.
• Siebers, J., Lauterbach, M., Keall, P., Mohan, R. (2002). Incorporating multi-leaf collimator leaf sequencing into iterative IMRT optimization. Medical Physics, 29(6), 952-959.
• Keall, P., Kini, V., Vedam, S., Mohan, R. (2002). Potential radiotherapy improvements with respiratory gating. Australasian Physical and Engineering Sciences in Medicine, 25(1), 1-6.
• Jeraj, R., Keall, P., Siebers, J. (2002). The effect of dose calculation accuracy on inverse treatment planning. Physics in Medicine and Biology, 47(3), 391-407.