AspirinWarfarinPlatelet Aggregation InhibitorsTiclopidineDrug Therapy, CombinationDipyridamoleAnticoagulantsHemorrhageAnti-Inflammatory Agents, Non-SteroidalTreatment OutcomeVitamin K Epoxide ReductasesDouble-Blind MethodMyocardial InfarctionThromboxane B2Cyclooxygenase InhibitorsPlatelet AggregationSalicylatesThromboembolismAtrial FibrillationPlatelet Function TestsProthrombin TimeFibrinolytic AgentsStrokeBlood PlateletsDose-Response Relationship, DrugSodium SalicylateThrombosisDrug InteractionsMixed Function OxygenasesVitamin Kbeta-AlanineGastrointestinal HemorrhageAsthma, Aspirin-InducedAryl Hydrocarbon HydroxylasesRisk FactorsTablets, Enteric-CoatedPlatelet ActivationCyclooxygenase 1Bleeding TimeIbuprofenProstaglandin-Endoperoxide SynthasesPharmacogeneticsDrug ResistanceTime FactorsThromboxanesRodenticidesProspective StudiesThromboxane A2Administration, OralCyclooxygenase 2 InhibitorsBlood CoagulationPhenylbutazone