1)DiSario JA, Freeman ML, Bjorkman DJ, et al:Endoscopic balloon dilation compared with sphincterotomy for extraction of bile duct stones. Gastroenterology 127:1291-1299, 2004
2)Ersoz G, Tekesin O, Ozutemiz AO, et al:Biliary sphincterotomy plus dilation with a large balloon for bile duct stones that are difficult to extract. Gastrointest Endosc 57:156-159, 2003
3)Iwashita T, Lee JG, Shinoura S, et al:Endoscopic ultrasound-guided rendezvous for biliary access after failed cannulation. Endoscopy 44:60-65, 2012
4)Chen YK, Pleskow DK:SpyGlass single-operator peroral cholangiopancreatoscopy system for the diagnosis and therapy of bile-duct disorders:A clinical feasibility study(with video). Gastrointest Endosc 65:832-841, 2007
5)Kim HI, Moon JH, Choi HJ, et al:Holmium laser lithotripsy under direct peroral cholangioscopy by using an ultra-slim upper endoscope for patients with retained bile duct stones(with video). Gastrointest Endosc 74:1127-1132, 2011
6)Itoi T, Ishii K, Sofuni A, et al:Long- and short-type double-balloon enteroscopy-assisted therapeutic ERCP for intact papilla in patients with a Roux-en-Y anastomosis. Surg Endosc 25:713-721, 2011
7)Shimatani M, Matsushita M, Takaoka M, et al:Effective “short” double-balloon enteroscope for diagnostic and therapeutic ERCP in patients with altered gastrointestinal anatomy:a large case series. Endoscopy 41:849-854, 2009
8)Iwashita T, Yasuda I, Doi S, et al:Endoscopic ultrasound-guided antegrade treatments for biliary disorders in patients with surgically altered anatomy. Dig Dis Sci 58:2417-2422, 2013
9)Lee TH, Park DH, Lee SS, et al:Outcomes of endoscopic transpapillary gallbladder stenting for symptomatic gallbladder diseases:a multicenter prospective follow-up study. Endoscopy 43:702-708, 2011
10)Jang JW, Lee SS, Song TJ, et al:Endoscopic ultrasound-guided transmural and percutaneous transhepatic gallbladder drainage are comparable for acute cholecystitis. Gastroenterology 142:805-811, 2012