title: Chronic pancreatitis and cholangitis caused by absence of the duodenal papilla.
authors.affiliation: Chronic Pancreatic Study Group, Department of Gastroenterology, Changhai Hospital, The Second Military Medical University, Shanghai, China.
authors.forename: L-H
authors.initials: LH
authors.lastname: Hu
authors.forename: Z
authors.initials: Z
authors.lastname: Liao
authors.forename: X
authors.initials: X
authors.lastname: Pan
authors.forename: Z-S
authors.initials: ZS
authors.lastname: Li