title: Semierect and erect position in percutaneous transhepatic cholangiography.
mesh_terms: D000328:Adult; D001660:Biliary Tract Diseases / Q000000981:diagnostic imaging; D002758:Cholangiography / Q000295:instrumentation; D003135:Common Bile Duct / Q000000981:diagnostic imaging; D006801:Humans; D008297:Male; D009339:Needles; D011187:Posture