The biliary tract system--a challenge to diagnostic radiology.
D001660:Biliary Tract Diseases / Q000000981:diagnostic imaging*; D002758:Cholangiography; D003287:Contrast Media / Q000008:administration & dosage; D003937:Diagnosis, Differential; D006801:Humans; D007275:Injections, Intravenous
D003287:Contrast Media