Endoscopic Submucosal Tunnel Dissection for Large Gastric Neoplastic Lesions: A Case-Matched Controlled Study. - Feng, Xiuxue; Linghu, Enqiang; Chai, Ningli; Lu, Zhongsheng; Wang, Xiangdong; Tang, Ping; Meng, Jiangyun; Du, Hong; Wang, Hongbin (Gastroenterology Research & Practice, 2018)