title: Hypereosinophilic syndrome. Report of two cases, with prolonged courses.
mesh_terms: D000328:Adult; D002066:Busulfan / Q000627:therapeutic use; D006332:Cardiomegaly / Q000209:etiology; D002908:Chronic Disease; D003520:Cyclophosphamide / Q000627:therapeutic use; D004802:Eosinophilia / Q000145:classification / Q000150:complications / Q000188:drug therapy; D004804:Eosinophils; D006529:Hepatomegaly / Q000209:etiology; D006801:Humans; D007958:Leukocyte Count; D008297:Male; D008875:Middle Aged; D011241:Prednisone / Q000627:therapeutic use; D012131:Respiratory Insufficiency / Q000209:etiology; D013163:Splenomegaly / Q000209:etiology; D013577:Syndrome
chemical_list: D003520:Cyclophosphamide; D002066:Busulfan; D011241:Prednisone