title: Inverted frontal view method facilitates bile duct cannulation via the intact papilla in patients with Roux-en-Y anastomosis.
authors.affiliation: Department of Gastroenterology, New Tokyo Hospital, Chiba, Japan.
authors.forename: Hideaki
authors.initials: H
authors.lastname: Harada
authors.affiliation: Department of Gastroenterology, New Tokyo Hospital, Chiba, Japan.
authors.forename: Takanori
authors.initials: T
authors.lastname: Shimizu
authors.affiliation: Department of Gastroenterology, New Tokyo Hospital, Chiba, Japan.
authors.forename: Satoshi
authors.initials: S
authors.lastname: Suehiro
authors.affiliation: Department of Gastroenterology, New Tokyo Hospital, Chiba, Japan.
authors.forename: Yasushi
authors.initials: Y
authors.lastname: Katsuyama
authors.affiliation: Department of Gastroenterology, New Tokyo Hospital, Chiba, Japan.
authors.forename: Kenji
authors.initials: K
authors.lastname: Hayasaka
authors.affiliation: Department of Surgery, New Tokyo Hospital, Chiba, Japan.
authors.forename: Hideto
authors.initials: H
authors.lastname: Ito
mesh_terms: D014670:Ampulla of Vater / Q000601:surgery*; D000713:Anastomosis, Roux-en-Y; D002404:Catheterization / Q000379:methods; D002760:Cholangiopancreatography, Endoscopic Retrograde / Q000379:methods*; D006801:Humans