Endoscopic papillotomy for choledocholithiasis.
D014670:Ampulla of Vater / Q000601:surgery*; D004598:Electrosurgery; D004724:Endoscopy; D042882:Gallstones / Q000000981:diagnostic imaging / Q000601:surgery*; D006801:Humans; D008297:Male; D008722:Methods; D008875:Middle Aged; D011859:Radiography