before smoking , habitual smokers showed slightly higher , albeit not significantly , 5-ht platelet concentrations and txb2 plasma levels , as well as lower txb2 platelet production after collagen and even more after adp stimulation ( 0.59 +/- 0.27 vs 1.35 +/- 0.46 and 0.99 +/- 0.47 vs 2.08 +/- 0.51 ng/10 ( 8 ) platelets for habitual smokers vs controls , 4 and 10 min after adp , p less than 0.02 ) .
C0221145
platelet
C0005821
platelets