Successful endoscopic three-branch self-expandable metallic stent placement using a novel device delivery system for malignant hilar biliary stricture - Matsumoto, Kazuyuki; Kato, Hironari; Fujii, Yuki; Yamazaki, Tatsuhiro; Tsutsumi, Koichiro; Horiguchi, Shigeru; Okada, Hiroyuki (Endoscopy, 2021)