Lee T.-H.Chen C.-H.JAU-MIN WONGYu S.-C.CHIA-TUNG SHUNWang T.-H.Lin J.-T.2021-03-182021-03-1819960013-726Xhttps://scholars.lib.ntu.edu.tw/handle/123456789/553379Endoscopic diagnosis of gastroduodenal intussusceptionjournal article10.1055/s-2007-100546687818032-s2.0-0029890272