Interventional endoscopy in diseases of the biliary tree and pancreas.
D001660:Biliary Tract Diseases / Q000000981:diagnostic imaging / Q000601:surgery*; D002760:Cholangiopancreatography, Endoscopic Retrograde; D004724:Endoscopy / Q000379:methods*; D006801:Humans; D010182:Pancreatic Diseases / Q000000981:diagnostic imaging / Q000601:surgery*