title: Vascular lesions in hemophilia B.
mesh_terms: D005164:Factor IX / Q000009:adverse effects*; D002836:Hemophilia B / Q000150:complications*; D006801:Humans; D008297:Male; D008875:Middle Aged; D009203:Myocardial Infarction / Q000150:complications; D013923:Thromboembolism / Q000209:etiology*
chemical_list: D005164:Factor IX