[Ultrasonotomography on bile duct disorders (author's transl)].
D001660:Biliary Tract Diseases / Q000175:diagnosis*; D002779:Cholestasis / Q000175:diagnosis*; D003937:Diagnosis, Differential; D006801:Humans; D008722:Methods; D014465:Ultrasonics / Q000295:instrumentation; D014463:Ultrasonography