title: [Radiological visualization of the large and small azygos vein. (A new procedure for the diagnosis of portal hypertension)].
mesh_terms: D000792:Angiography; D001401:Azygos Vein; D006801:Humans; D006973:Hypertension; D006975:Hypertension, Portal / Q000000981:diagnostic imaging*
keywords: ANGIOGRAPHY; HYPERTENSION, PORTAL/radiography