AspirinPlatelet Aggregation InhibitorsAnti-Inflammatory Agents, Non-SteroidalPrimary PreventionTiclopidineThromboxane B2Cyclooxygenase InhibitorsPlatelet AggregationSalicylatesPlatelet Function TestsDrug Therapy, CombinationSecondary PreventionBlood PlateletsRisk FactorsFibrinolytic AgentsSodium SalicylateAnticoagulantsHemorrhageWarfarinAsthma, Aspirin-InducedDouble-Blind MethodTablets, Enteric-CoatedCenters for Disease Control and Prevention (U.S.)Cyclooxygenase 1Gastrointestinal HemorrhageBleeding TimeDose-Response Relationship, DrugProstaglandin-Endoperoxide SynthasesPlatelet ActivationTreatment OutcomeThromboxanesIbuprofenThrombosisThromboxane A2Cyclooxygenase 2 InhibitorsTime FactorsProspective StudiesStrokeDipyridamoleMyocardial InfarctionLipoxinsAcetaminophenRandomized Controlled Trials as TopicUnited StatesDrug ResistanceIncidenceCardiovascular DiseasesIndomethacinFollow-Up StudiesAccident PreventionRisk AssessmentCyclooxygenase 2SulfinpyrazoneGastric MucosaChemopreventionStomach UlcerRecurrenceReye SyndromeNaproxenProstaglandins