title: ERCP for intradiverticular papilla continues to be a challenge.
authors.forename: M
authors.initials: M
authors.lastname: Matsushita
authors.forename: K
authors.initials: K
authors.lastname: Hajiro
authors.forename: H
authors.initials: H
authors.lastname: Takakuwa
authors.forename: A
authors.initials: A
authors.lastname: Nishio
mesh_terms: D014670:Ampulla of Vater; D002760:Cholangiopancreatography, Endoscopic Retrograde / Q000295:instrumentation / Q000379:methods*; D004240:Diverticulum / Q000175:diagnosis*; D004378:Duodenal Diseases / Q000175:diagnosis*; D006801:Humans