Apparent early-stage esophageal collision tumor

作者:Jia, Xinyong*; Li, Guodong; Dong, Haiyan; Pang, Qiuping; Zhai, Hailan
来源:Gastrointestinal Endoscopy, 2016, 83(4): 841-842.
DOI:10.1016/j.gie.2015.10.001