Langer Mark, Lee Eva K, Deasy Joseph O, Rardin Ronald L, Deye James A
Department of Radiation Oncology, Indiana University Medical Center, Indianapolis, IN, USA.
Int J Radiat Oncol Biol Phys. 2003 Nov 1;57(3):762-8. doi: 10.1016/s0360-3016(03)00720-x.