Preliminary experience with endoscopic papillotomy.
D000368:Aged; D014670:Ampulla of Vater / Q000601:surgery*; D002763:Cholecystectomy / Q000009:adverse effects; D019723:Endoscopes; D004724:Endoscopy / Q000379:methods*; D042882:Gallstones / Q000601:surgery*; D006801:Humans; D008875:Middle Aged