title: Using an overtube for cholangioscopy.
authors.forename: Jacobo
authors.initials: J
authors.lastname: Dib
mesh_terms: D001649:Bile Duct Diseases / Q000175:diagnosis* / Q000628:therapy*; D002404:Catheterization / Q000295:instrumentation*; D016145:Endoscopy, Digestive System / Q000295:instrumentation*; D004867:Equipment Design; D006801:Humans