Chopra Rahul, Mendenhall William M, Morris Christopher G, Zlotecki Robert A, Olivier Kenneth R
Department of Radiation Oncology, University of Florida College of Medicine, Gainesville, FL, USA.
Am J Clin Oncol. 2006 Aug;29(4):420-1. doi: 10.1097/01.coc.0000171280.16889.d0.