title: Diagnosis of hepatic portal venous gas by computed tomography: role of intravenous contrast material.
mesh_terms: D000038:Abscess / Q000000981:diagnostic imaging; D000368:Aged; D003287:Contrast Media; D005260:Female; D005740:Gases; D006801:Humans; D011169:Portal Vein / Q000000981:diagnostic imaging*; D012810:Sigmoid Diseases / Q000000981:diagnostic imaging; D014057:Tomography, X-Ray Computed
chemical_list: D003287:Contrast Media; D005740:Gases