Authors: Nancy Y Lee; James G Mechalakos; Sadek Nehmeh; Zhixiong Lin; Olivia D Squire; Shangde Cai; Kelvin Chan; Pasquale B Zanzonico; Carlo Greco; Clifton C Ling; John L Humm; Heiko Schöder Journal: Int J Radiat Oncol Biol Phys Date: 2007-09-14 Impact factor: 7.038