AspirinAnti-Inflammatory Agents, Non-SteroidalPlatelet Aggregation InhibitorsCyclooxygenase InhibitorsIbuprofenCyclooxygenase 2 InhibitorsNaproxenDiclofenacThromboxane B2Prostaglandin-Endoperoxide SynthasesSalicylatesTiclopidineCyclooxygenase 1SulindacFlurbiprofenIndomethacinPlatelet AggregationCyclooxygenase 2Sodium SalicylateAcetaminophenPiroxicamDrug Therapy, CombinationPlatelet Function TestsKetoprofenEtodolacGastrointestinal HemorrhagePyrazolesDose-Response Relationship, DrugSulfonamidesTolmetinStomach UlcerBlood PlateletsAsthma, Aspirin-InducedDinoprostoneProstaglandinsFibrinolytic AgentsRisk FactorsPhenylbutazoneAnticoagulantsWarfarinGastrointestinal DiseasesThromboxanesDouble-Blind MethodHemorrhageThiazinesDrug HypersensitivityGastric MucosaTablets, Enteric-CoatedKetorolacDrug InteractionsAnalgesics, Non-NarcoticBleeding TimeNitrobenzenesLipoxinsPlatelet ActivationAnti-Inflammatory AgentsProspective StudiesTime FactorsSulfonesTreatment OutcomePeptic Ulcer HemorrhageIsoenzymesThromboxane A2LactonesGrowth Differentiation Factor 15ChemopreventionAnticarcinogenic AgentsThrombosisDipyridamoleSalicylic AcidMyocardial InfarctionPeptic UlcerFenoprofenAnalgesics6-Ketoprostaglandin F1 alphaDrug ResistanceCase-Control StudiesArachidonic AcidProstaglandin AntagonistsSulfinpyrazoneEpoprostenolFollow-Up StudiesStereoisomerismReye SyndromeStrokeColorectal NeoplasmsDrug Administration ScheduleOxyphenbutazone