Combination of ERCP with endoscopic ultrasound-guided hepaticogastrostomy and hepaticoduodenostomy for biliary drainage in malignant hilar biliary obstruction - Toyonaga, Haruka; Hayashi, Tsuyoshi; Kin, Toshifumi; Hama, Kazuki; Iwano, Kosuke; Nakamura, Risa; Katanuma, Akio (Endoscopy, 2022)