title: Value of percutaneous transhepatic cholangiography with drainage and ultrasonography in the treatment of extrahepatic bile duct obstruction.
mesh_terms: D002758:Cholangiography / Q000379:methods*; D001651:Cholestasis, Extrahepatic / Q000000981:diagnostic imaging / Q000628:therapy*; D004322:Drainage / Q000379:methods*; D006801:Humans; D014463:Ultrasonography