The Monte Carlo simulation study on origin and removal methods of contamination electrons in radiotherapy
ZHAO Fei XUE Ying CHEN Yong GU Xihao YANG Yang WEN Wanxin
Journal of Radiation Research and Radiation Processing . 2012, (6): 359 -364 .  DOI: 10.11889/j.1000-3436.2012.rrj.30.120608