title: Editorial: aspirin and myocardial infarction: a new national cooperative trial.
mesh_terms: D000328:Adult; D000368:Aged; D001241:Aspirin / Q000008:administration & dosage / Q000494:pharmacology / Q000627:therapeutic use*; D002986:Clinical Trials as Topic; D005260:Female; D006801:Humans; D007258:Informed Consent; D008297:Male; D008875:Middle Aged; D009203:Myocardial Infarction / Q000517:prevention & control*; D010919:Placebos; D010973:Platelet Adhesiveness / Q000187:drug effects; D012008:Recurrence
chemical_list: D010919:Placebos; D001241:Aspirin