title: A protein S deficient family with portal vein thrombosis.
mesh_terms: D001798:Blood Proteins / Q000172:deficiency* / Q000235:genetics; D006023:Glycoproteins / Q000172:deficiency* / Q000235:genetics; D006579:Heterozygote; D006801:Humans; D017293:Protein S; D013924:Thrombophlebitis / Q000097:blood / Q000235:genetics*
chemical_list: D001798:Blood Proteins; D006023:Glycoproteins; D017293:Protein S