AspirinAnalgesicsPlatelet Aggregation InhibitorsAnti-Inflammatory Agents, Non-SteroidalTiclopidineThromboxane B2Cyclooxygenase InhibitorsNerve BlockPlatelet AggregationSalicylatesPlatelet Function TestsDrug Therapy, CombinationHeart BlockBlood PlateletsSodium SalicylateFibrinolytic AgentsDouble-Blind MethodHemorrhageTime FactorsAnticoagulantsWarfarinAsthma, Aspirin-InducedTablets, Enteric-CoatedDose-Response Relationship, DrugCyclooxygenase 1Treatment OutcomeBleeding TimeProstaglandin-Endoperoxide SynthasesGastrointestinal HemorrhagePlatelet ActivationDrug Administration ScheduleIbuprofenThromboxanesThromboxane A2ThrombosisCyclooxygenase 2 InhibitorsDipyridamoleAcetaminophenProspective StudiesDrug ResistanceAdministration, OralRisk FactorsLipoxinsMyocardial InfarctionDrug InteractionsIndomethacinGastric MucosaSulfinpyrazoneCyclooxygenase 2StrokeStomach UlcerProstaglandinsReye SyndromeNaproxenFollow-Up StudiesDinoprostone