Endoscopic treatment of biliary tract diseases.
D000328:Adult; D000367:Age Factors; D000368:Aged; D014670:Ampulla of Vater / Q000601:surgery*; D002769:Cholelithiasis / Q000601:surgery*; D002779:Cholestasis / Q000601:surgery*; D004724:Endoscopy / Q000379:methods; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012306:Risk