The physicians' health study: aspirin for the primary prevention of myocardial infarction.
D001241:Aspirin / Q000627:therapeutic use*; D006801:Humans; D008297:Male; D009203:Myocardial Infarction / Q000401:mortality / Q000517:prevention & control*; D010820:Physicians; D006113:United Kingdom; D014481:United States
D001241:Aspirin