Click on image to view larger version.

Figure 3 Consumption of intraplatelet vitamin C (A) and reduced glutathione (GSH) (B) by platelet aggregation before and after vitamin C administration in nonsmokers (n = 10) and smokers (n = 11). Correlation between the collagen-induced platelet-derived electrical current and consumption of intraplatelet GSH by platelet aggregation before and after vitamin C administration in (C) nonsmokers (n = 10) and (D) smokers (n = 11). NS = nonsignificant.