title: [Endoscopy and biopsy of Vater's ampulla].
mesh_terms: D014670:Ampulla of Vater / Q000473:pathology*; D001706:Biopsy; D002761:Cholangitis / Q000473:pathology; D003137:Common Bile Duct Diseases / Q000473:pathology; D003138:Common Bile Duct Neoplasms / Q000473:pathology; D004724:Endoscopy; D006801:Humans
vernacular_title: Endoscopía y biopsia de la papila de Vater.