AspirinPlatelet Aggregation InhibitorsAnti-Inflammatory Agents, Non-SteroidalSalicylatesCyclooxygenase InhibitorsPlatelet AggregationTiclopidineThromboxane B2ThromboxanesBlood PlateletsPlatelet Function TestsProstanoic AcidsSodium SalicylateFibrinolytic AgentsSalicylic AcidThromboxane A2AcetaminophenProstaglandin-Endoperoxide SynthasesProstaglandinsAnticoagulantsDipyroneGastrointestinal HemorrhageCyclooxygenase 1Bleeding TimeDipyridamoleIndomethacinDose-Response Relationship, DrugDrug Therapy, CombinationThrombosisDrug HypersensitivityIbuprofenWarfarinProstaglandins EHemorrhageDrug InteractionsDouble-Blind Method6-Ketoprostaglandin F1 alphaCyclooxygenase 2 InhibitorsEpoprostenolDinoprostoneGastric MucosaTime FactorsPiroxicamArachidonic AcidPlatelet ActivationThromboembolismCyclooxygenase 2Stomach DiseasesGentisatesStomach UlcerArachidonic AcidsAntipyreticsPhenacetinTreatment OutcomeCerebrovascular DisordersDrug ResistancePlatelet AdhesivenessAdenosine DiphosphateProspective StudiesIschemic Attack, TransientRandom AllocationMyocardial InfarctionDiclofenacRisk FactorsGastrointestinal DiseasesAnalgesicsAnti-Inflammatory AgentsPeptic UlcerAcetic AcidStrokeAsthma, Aspirin-InducedPlacebosTablets, Enteric-CoatedHeparinPyrazolesCardiovascular DiseasesAnalgesics, Non-NarcoticCross-Over StudiesSulfonamidesChromatography, High Pressure LiquidClinical Trials as TopicRabbitsNanofibersFollow-Up StudiesRadiochemistry