Endoscopic management of biliary tract disease.
D000368:Aged; D014670:Ampulla of Vater / Q000601:surgery*; D002760:Cholangiopancreatography, Endoscopic Retrograde; D019723:Endoscopes; D004724:Endoscopy / Q000379:methods*; D005260:Female; D042882:Gallstones / Q000000981:diagnostic imaging / Q000601:surgery*; D006801:Humans; D008297:Male; D008875:Middle Aged; D009803:Sphincter of Oddi / Q000601:surgery*