Click on image to view larger version.

Figure 4 Platelet aggregation (mean ± SEM) analyzed as lag phase and maximal percentage (Mx%) of aggregation in response to collagen (2 µg/ml) and as Mx% in response to adenosine diphosphate (ADP) (2 µmol/l) at baseline and throughout follow-up in patients given 100 mg/day or 300 to 330 mg/day aspirin.