Agreement between LTA and the Optimul assay in healthy volunteers. Individual data for top concentrations of the agonists studied with LTA and within a similar range on Optimul: AA, 1 mM (LTA) to 1 mM (Optimul); ADP, 30-40 µM; collagen, 3 μg/mL to 2.5 µg/mL; epinephrine, 10 µM to 10 µM; TRAP, 100 µM peptide to 40 µM amide; U46619, 10 μM to 8.9 µM; ristocetin, 1.5 mg/mL to 1.3 mg/mL.