Effective hemostasis under gel immersion endoscopy using inflated balloons on the tip of double balloon endoscope for active bleeding in the small intestine - Shunsuke Horitani; Natsuko Saito; Koki Hosoda; Hironao Matsumoto; Toshiyuki Mitsuyama; Takeshi Yamashina; Masaaki Shimatani; Makoto Naganuma (Korean Society of Gastrointestinal Endoscopy, 2024)