Operative management of calculi in the hepatic ducts.
D002404:Catheterization / Q000295:instrumentation; D002758:Cholangiography; D002769:Cholelithiasis / Q000453:epidemiology / Q000601:surgery*; D003135:Common Bile Duct; D019723:Endoscopes; D006500:Hepatic Duct, Common / Q000601:surgery*; D006801:Humans; D008722:Methods