title: Sphincteroplasty (not sphincterotomy) in the treatment of biliary tract disease.
mesh_terms: D001660:Biliary Tract Diseases / Q000601:surgery*; D002758:Cholangiography; D002769:Cholelithiasis / Q000601:surgery; D002933:Cineradiography; D003135:Common Bile Duct / Q000033:anatomy & histology / Q000502:physiology / Q000601:surgery*; D004064:Digestive System / Q000000981:diagnostic imaging; D004386:Duodenum / Q000502:physiology / Q000601:surgery*; D006801:Humans; D008722:Methods; D009020:Morphine; D010183:Pancreatic Ducts / Q000033:anatomy & histology / Q000502:physiology / Q000601:surgery*; D011379:Prognosis
chemical_list: D009020:Morphine