Multivar iate analysis of impact of differ ent neck tr eatment and prognostic factor s affecting disease - free survival in patients with ear ly- staged squamous cell car cinoma of tongue
LIU Yun- sheng1, LIU Shao- hua1, YANG Chun- hui2, WU Zheng- hua1
West China Journal of Stomatology . 2007, (06): 571 -575 .