IbuprofenAspirinAnti-Inflammatory Agents, Non-SteroidalCyclooxygenase InhibitorsCyclooxygenase 2 InhibitorsNaproxenDiclofenacAnalgesics, Non-NarcoticAcetaminophenPlatelet Aggregation InhibitorsProstaglandin-Endoperoxide SynthasesKetoprofenIndomethacinCyclooxygenase 1Thromboxane B2Cyclooxygenase 2SulfonesLactonesGastrointestinal DiseasesSalicylatesSulfonamidesPyrazolesGastrointestinal HemorrhageStomach UlcerDrug Therapy, CombinationSulindacDouble-Blind MethodAntipyreticsTiclopidineDinoprostoneDose-Response Relationship, DrugPlatelet AggregationPiroxicamDrug InteractionsDuctus Arteriosus, PatentSodium SalicylateEtodolacNitrobenzenesProstaglandinsThiazinesGastric MucosaOsteoarthritisThromboxanesRisk FactorsTreatment OutcomeAdministration, OralTherapeutic EquivalencyPlatelet Function TestsPainPeptic UlcerBlood PlateletsTolmetinIsoenzymes