Endoscopic ultrasound-guided drainage of bilomas in difficult-to-puncture locations using a sheath-assisted puncture technique - Hama, Kazuki; Matsunami, Yukitoshi; Tsuchiya, Takayoshi; Tanaka, Reina; Tonozuka, Ryosuke; Mukai, Shuntaro; Itoi, Takao (Endoscopy, 2025)