title: Influence of therapy on causes of death in polycythemia vera.
mesh_terms: D002699:Chlorambucil / Q000009:adverse effects; D006400:Hematocrit; D006801:Humans; D007938:Leukemia / Q000209:etiology; D010976:Platelet Count; D011087:Polycythemia Vera / Q000097:blood / Q000401:mortality / Q000628:therapy*; D012306:Risk; D013927:Thrombosis / Q000209:etiology; D014680:Veins / Q000601:surgery
chemical_list: D002699:Chlorambucil