Prior aspirin use and outcomes in elderly patients hospitalized with acute myocardial infarction.
Portnay EL, Foody JM, Rathore SS, Wang Y, Masoudi FA, Curtis JP, Krumholz HM. Prior aspirin use and outcomes in elderly patients hospitalized with acute myocardial infarction. J Am Coll Cardiol. 2005 Sep 20; 46(6):967-74.