Hemostasis of active bleeding in the duodenal bulb using a sharp-clawed reopenable endoclip under gel immersion endoscopy - Kitagawa, Daiki; Fukunaga, Shusei; Kobayashi, Yumie; Nakata, Akinobu; Kono, Mitsuhiro; Ominami, Masaki; Fujiwara, Yasuhiro (Endoscopy, 2025)