Sahgal Arjun, Larson David, Knisely Jonathan
Department of Radiation Oncology, University of Toronto, Sunnybrook Odette Cancer Centre, Toronto, Ontario, Canada.
Department of Radiation Oncology, University of California San Francisco, San Francisco, CA, USA.
Lancet Oncol. 2015 Mar;16(3):249-50. doi: 10.1016/S1470-2045(14)71106-4.