Successful direct clipping of the bleeding source of a colonic diverticular hemorrhage using the “long-hood gel-filling” method - Abiko, Satoshi; Hirata, Koji; Suzuki, Kazuharu; Kinoshita, Kenji; Hatanaka, Kazuteru; Yamamoto, Yoshiya; Naruse, Hirohito (Endoscopy, 2023)