title: Modify technique for wire-guided papillotomy.
authors.forename: O W
authors.initials: OW
authors.lastname: Cass
mesh_terms: D014670:Ampulla of Vater / Q000601:surgery*; D001662:Biliary Tract Surgical Procedures / Q000295:instrumentation*; D002404:Catheterization / Q000295:instrumentation*; D004564:Electrocoagulation / Q000295:instrumentation*; D006801:Humans