Revisionary antireflux metal stent placement for stent occlusion after endoscopic ultrasound-guided hepaticojejunostomy - Minaga, Kosuke; Takenaka, Mamoru; Okamoto, Ayana; Omoto, Shunsuke; Kamata, Ken; Yamao, Kentaro; Kudo, Masatoshi (Endoscopy, 2020)