Endoscopic sphincterotomy of the biliary tract.
D000368:Aged; D014670:Ampulla of Vater / Q000000981:diagnostic imaging; D003137:Common Bile Duct Diseases / Q000628:therapy; D004724:Endoscopy / Q000009:adverse effects / Q000379:methods*; D005260:Female; D042882:Gallstones / Q000000981:diagnostic imaging / Q000628:therapy*; D006431:Hemobilia / Q000209:etiology; D006801:Humans; D008297:Male; D008875:Middle Aged; D011859:Radiography