title: ACTIVE A: balancing the benefits and risks of clopidogrel and aspirin.
authors.forename: Gudrun
authors.initials: G
authors.lastname: Boysen
mesh_terms: D000368:Aged; D001241:Aspirin / Q000009:adverse effects / Q000627:therapeutic use*; D001281:Atrial Fibrillation / Q000188:drug therapy* / Q000209:etiology; D000077144:Clopidogrel; D004359:Drug Therapy, Combination; D005260:Female; D006801:Humans; D020300:Intracranial Hemorrhages / Q000517:prevention & control*; D008297:Male; D010975:Platelet Aggregation Inhibitors / Q000009:adverse effects / Q000627:therapeutic use*; D012306:Risk; D020521:Stroke / Q000517:prevention & control*; D013988:Ticlopidine / Q000009:adverse effects / Q000031:analogs & derivatives* / Q000627:therapeutic use
chemical_list: D010975:Platelet Aggregation Inhibitors; D000077144:Clopidogrel; D013988:Ticlopidine; D001241:Aspirin