AspirinPlatelet Aggregation InhibitorsAnti-Inflammatory Agents, Non-SteroidalTiclopidineThromboxane B2RegistriesCyclooxygenase InhibitorsPlatelet AggregationSalicylatesPlatelet Function TestsDrug Therapy, CombinationBlood PlateletsSwedenSodium SalicylateFibrinolytic AgentsRisk FactorsAnticoagulantsHemorrhageAsthma, Aspirin-InducedRandomized Controlled Trials as TopicWarfarinTablets, Enteric-CoatedTreatment OutcomeCyclooxygenase 1Gastrointestinal HemorrhageBleeding TimeProstaglandin-Endoperoxide SynthasesPlatelet ActivationDenmarkThromboxanesTime FactorsStrokeIbuprofenIncidenceDouble-Blind MethodProspective StudiesDose-Response Relationship, DrugThromboxane A2Follow-Up StudiesMyocardial InfarctionThrombosisCyclooxygenase 2 InhibitorsDipyridamoleCohort StudiesLipoxinsAcetaminophenDrug ResistanceIndomethacinFinlandSulfinpyrazoneGastric MucosaCyclooxygenase 2Reye SyndromePrimary PreventionStomach UlcerCardiovascular DiseasesProstaglandinsRisk AssessmentNaproxen