title: Membranous obstruction of the inferior vena cava: etiology and relation to hepatocellular carcinoma.
mesh_terms: D002273:Carcinogens; D006528:Carcinoma, Hepatocellular / Q000453:epidemiology / Q000209:etiology*; D006509:Hepatitis B / Q000150:complications; D006801:Humans; D008113:Liver Neoplasms / Q000453:epidemiology / Q000209:etiology*; D008566:Membranes / Q000473:pathology; D013019:South Africa; D014652:Vascular Diseases / Q000453:epidemiology / Q000473:pathology; D014682:Vena Cava, Inferior / Q000473:pathology*
chemical_list: D002273:Carcinogens