title: Embryological development of the duodenal papilla, and related diseases: primitive ampulla theory.
authors.forename: T
authors.initials: T
authors.lastname: Tanaka
mesh_terms: D014670:Ampulla of Vater / Q000196:embryology*; D015529:Choledochal Cyst / Q000196:embryology*; D003137:Common Bile Duct Diseases / Q000196:embryology*; D006801:Humans