title: Surgical uses of peroral retrograde pancreatography and cholangiography.
mesh_terms: D014670:Ampulla of Vater / Q000000981:diagnostic imaging; D001660:Biliary Tract Diseases / Q000000981:diagnostic imaging; D002758:Cholangiography; D004724:Endoscopy; D006801:Humans; D008722:Methods; D010182:Pancreatic Diseases / Q000000981:diagnostic imaging*; D010190:Pancreatic Neoplasms / Q000000981:diagnostic imaging*