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Figure 3 Effects of aspirin and sildenafil on platelet aggregation. (A) Thrombin-induced platelet aggregation during the treatment period (+aspirin [ASA], at 30 min, and +sildenafil and aspirin [S+ASA] at 90 min) relative to baseline aggregation in the pretreatment period, as determined by whole blood aggregometry (n = 6 dogs). *p < 0.05, ASA versus baseline. *#p < 0.05, ASA+sildenafil versus each of the other groups. (B) Representative platelet aggregation recordings in dog 9.
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