NaproxenIbuprofenAspirinAnti-Inflammatory Agents, Non-SteroidalCyclooxygenase InhibitorsCyclooxygenase 2 InhibitorsDiclofenacAcetaminophenAnalgesics, Non-NarcoticThromboxane B2Cyclooxygenase 1SulfonesProstaglandin-Endoperoxide SynthasesEtodolacCyclooxygenase 2KetoprofenGastrointestinal DiseasesLactonesPlatelet Aggregation InhibitorsSulfonamidesIndomethacinPiroxicamDouble-Blind MethodPyrazolesStomach UlcerSulindacGastrointestinal HemorrhageThiazinesPhenylbutazoneNaphthaleneacetic AcidsOsteoarthritisDrug InteractionsDrug Therapy, CombinationDinoprostoneDose-Response Relationship, DrugSalicylatesFlurbiprofenTherapeutic EquivalencyProstaglandinsPlatelet AggregationPeptic UlcerGastric MucosaSumatriptanAnalgesicsThromboxanesAntipyretics