title: Retrograde cholangiography: method and results.
mesh_terms: D014670:Ampulla of Vater / Q000601:surgery; D001650:Bile Duct Neoplasms / Q000000981:diagnostic imaging; D001657:Biliary Dyskinesia / Q000000981:diagnostic imaging; D002758:Cholangiography; D002779:Cholestasis / Q000000981:diagnostic imaging; D003287:Contrast Media; D004724:Endoscopy; D006801:Humans; D008722:Methods; D010190:Pancreatic Neoplasms / Q000000981:diagnostic imaging
chemical_list: D003287:Contrast Media