AspirinClinical Trials as TopicPlatelet Aggregation InhibitorsAnti-Inflammatory Agents, Non-SteroidalDouble-Blind MethodTiclopidineThromboxane B2Cyclooxygenase InhibitorsTreatment OutcomeDrug Therapy, CombinationPlatelet AggregationSalicylatesClinical Trials, Phase III as TopicResearch DesignPlatelet Function TestsTime FactorsProspective StudiesClinical Trials, Phase II as TopicFibrinolytic AgentsFollow-Up StudiesClinical Trials, Phase I as TopicControlled Clinical Trials as TopicDose-Response Relationship, DrugBlood PlateletsHemorrhageAnticoagulantsPlacebosSodium SalicylateDrug Administration ScheduleRisk FactorsWarfarinSingle-Blind MethodAsthma, Aspirin-InducedTablets, Enteric-CoatedStrokeGastrointestinal HemorrhageIbuprofenPatient SelectionCyclooxygenase 1Clinical ProtocolsMyocardial InfarctionBleeding TimePlatelet ActivationProstaglandin-Endoperoxide SynthasesThrombosisMulticenter Studies as TopicRecurrenceThromboxanesCyclooxygenase 2 InhibitorsThromboxane A2DipyridamoleAdministration, OralEarly Termination of Clinical TrialsAcetaminophenDrug ResistanceRisk AssessmentCross-Over StudiesCost-Benefit AnalysisPrimary PreventionCardiovascular DiseasesClinical Trials Data Monitoring CommitteesLipoxinsIndomethacinPilot ProjectsSulfinpyrazoneGastric MucosaCyclooxygenase 2Stomach UlcerSample SizeUnited StatesRandom AllocationIncidenceReye SyndromeHeparinEvidence-Based MedicineProstaglandinsDrug InteractionsSurvival AnalysisNaproxenPatient ComplianceDrug HypersensitivityNeoplasmsQuality of Life