Transhepatic versus endoscopic interventional procedures in the biliary tract.
D002760:Cholangiopancreatography, Endoscopic Retrograde; D002769:Cholelithiasis / Q000000981:diagnostic imaging / Q000601:surgery*; D002779:Cholestasis / Q000000981:diagnostic imaging / Q000601:surgery*; D004322:Drainage / Q000379:methods*; D006801:Humans