title: Ectopic pancreas of the ampulla of Vater.
authors.affiliation: Department of Surgery, Mälarsjukhuset, Eskilstuna, Sweden. le.hammastrom@lund.mail.telia.com
authors.forename: L E
authors.initials: LE
authors.lastname: Hammarström
authors.forename: H
authors.initials: H
authors.lastname: Nordgren
mesh_terms: D014670:Ampulla of Vater / Q000473:pathology; D001706:Biopsy; D002828:Choristoma / Q000175:diagnosis* / Q000473:pathology; D003137:Common Bile Duct Diseases / Q000175:diagnosis* / Q000473:pathology; D003937:Diagnosis, Differential; D006801:Humans; D010179:Pancreas; D016717:Sphincterotomy, Endoscopic