Papillotomy--indications and technique.
D014670:Ampulla of Vater / Q000601:surgery*; D001649:Bile Duct Diseases / Q000601:surgery*; D002769:Cholelithiasis / Q000601:surgery*; D003135:Common Bile Duct / Q000601:surgery*; D003251:Constriction, Pathologic; D019723:Endoscopes; D004724:Endoscopy / Q000379:methods*; D042882:Gallstones / Q000601:surgery; D006801:Humans; D013525:Surgical Instruments