The surgical safety analysis of elderly patients with thoracic esophageal squamous cell carcinoma
WU Gao,WEI Da-zhong,XIE Ming-ran,TIAN Jie-yong,MA Dong-chun
China Oncology . 2014, (2): 151 -154 .  DOI: 10.3969/j.issn.1007-3969.2014.02.012