title: Aetiology of extrahepatic portal vein thrombosis.
authors.forename: B W M
authors.initials: BW
authors.lastname: Spanier
authors.forename: J
authors.initials: J
authors.lastname: Frederiks
mesh_terms: D005260:Female; D006801:Humans; D020138:Hyperhomocysteinemia / Q000150:complications*; D008875:Middle Aged; D011169:Portal Vein; D020246:Venous Thrombosis / Q000209:etiology*