title: Diurnal variation in platelet aggregation responses.
mesh_terms: D002940:Circadian Rhythm; D006801:Humans; D008297:Male; D009203:Myocardial Infarction / Q000097:blood / Q000517:prevention & control; D010974:Platelet Aggregation / Q000187:drug effects*; D013927:Thrombosis / Q000097:blood