[Diagnosis of the biliary system (author's transl)].
D001649:Bile Duct Diseases / Q000175:diagnosis*; D002769:Cholelithiasis / Q000175:diagnosis; D002780:Cholestasis, Intrahepatic / Q000175:diagnosis; D042882:Gallstones / Q000175:diagnosis; D006801:Humans; D011187:Posture; D014463:Ultrasonography