A neuroendocrine tumor improper for ligation with suction was resected en bloc by underwater endoscopic submucosal dissectionOura, Hirotaka; Murakami, Daisuke*; Hatayama, Yasuki; Sugiyama, Harutoshi; Arai, Makoto; Nishino, TakayoshiScience Citation Index Expanded南方医科大学摘要-关键词-