Combination of the saline-immersion technique and a new thin therapeutic endoscope for endoscopic submucosal dissection of a duodenal subepithelial tumor - Hashimoto, Kosei; Fukuda, Hisashi; Fujinuma, Toshihiro; Nomoto, Yoshie; Despott, Edward J.; Yamamoto, Hironori (Endoscopy, 2025)