AspirinSalicylatesSodium SalicylateAnti-Inflammatory Agents, Non-SteroidalPlatelet Aggregation InhibitorsSalicylic AcidCyclooxygenase InhibitorsTiclopidineThromboxane B2GentisatesPlatelet AggregationPlatelet Function TestsDrug Therapy, CombinationBlood PlateletsCyclooxygenase 1Prostaglandin-Endoperoxide SynthasesReye SyndromeTablets, Enteric-CoatedAcetaminophenFibrinolytic AgentsDose-Response Relationship, DrugHydroxybenzoatesIndomethacinIbuprofenHemorrhageAsthma, Aspirin-InducedCyclooxygenase 2 InhibitorsAnticoagulantsWarfarinBleeding TimeGastrointestinal HemorrhageCyclooxygenase 2Platelet ActivationSulfinpyrazonePhenylbutazoneThromboxanesBenzoic AcidDouble-Blind MethodThromboxane A2ThrombosisTime FactorsProstaglandinsDipyridamolePhenacetinGastric MucosaMixed Function OxygenasesLipoxinsDrug InteractionsStomach UlcerTinnitusDrug ResistanceCatecholsRisk FactorsDinoprostoneMyocardial InfarctionDrug HypersensitivityStroke6-Ketoprostaglandin F1 alphaTreatment OutcomeEpoprostenolProspective Studies