AspirinAnalgesicsPlatelet Aggregation InhibitorsAnti-Inflammatory Agents, Non-SteroidalTiclopidineThromboxane B2Cyclooxygenase InhibitorsPlatelet AggregationSalicylatesPlatelet Function TestsDrug Therapy, CombinationBlood PlateletsSodium SalicylateFibrinolytic AgentsHemorrhageDouble-Blind MethodAnticoagulantsWarfarinAsthma, Aspirin-InducedTablets, Enteric-CoatedCyclooxygenase 1Bleeding TimeGastrointestinal HemorrhageProstaglandin-Endoperoxide SynthasesTime FactorsPlatelet ActivationTreatment OutcomeIbuprofenThromboxanesDrug Administration ScheduleThromboxane A2ThrombosisCyclooxygenase 2 InhibitorsDose-Response Relationship, DrugDipyridamoleAcetaminophenAdministration, OralDrug ResistanceRisk FactorsProspective StudiesLipoxinsDrug InteractionsMyocardial InfarctionGastric MucosaIndomethacinSulfinpyrazoneCyclooxygenase 2StrokeStomach UlcerProstaglandinsReye SyndromeNaproxen