title: On call.  Is it true that in some people, low-dose aspirin doesn't help to prevent heart attacks?  Should I take a higher dose to make sure it works?
authors.forename: William
authors.initials: W
authors.lastname: Kormos
mesh_terms: D001241:Aspirin; D006801:Humans; D009203:Myocardial Infarction / Q000517:prevention & control
chemical_list: D001241:Aspirin