Endoscopic line-attached clipping closure with laparoscopic suturing for duodenal defects involving the medial wall post-endoscopic submucosal dissection - Shimura, Takaya; Iwasaki, Hiroyasu; Okubo, Tomotaka; Sugimura, Naomi; Okuda, Yusuke; Katano, Takahito; Kataoka, Hiromi (Endoscopy, 2021)