Anti-Inflammatory Agents, Non-SteroidalCyclooxygenase 2 InhibitorsIbuprofenCyclooxygenase InhibitorsDiclofenacNaproxenAspirinGastrointestinal DiseasesKetoprofenProstaglandin-Endoperoxide SynthasesCyclooxygenase 2SulindacAcetaminophenSulfonamidesPiroxicamThiazinesSulfonesPyrazolesCyclooxygenase 1IndomethacinLactonesAnalgesics, Non-NarcoticEtodolacNitrobenzenesStomach UlcerGastrointestinal HemorrhageTropaeolaceaeSafety-Based Drug WithdrawalsPeptic UlcerOsteoarthritisStereoisomerismIsoenzymesArthritisMolecular StructurePeptic Ulcer HemorrhageRisk FactorsKetorolacGastric MucosaMagnetic Resonance SpectroscopyMisoprostolNucleic Acid ConformationModels, MolecularDinoprostoneMolecular ConformationPainAnti-Ulcer AgentsCase-Control StudiesDrug InteractionsMembrane ProteinsDrug PrescriptionsPlant ExtractsHydrogen BondingDrug HypersensitivityDose-Response Relationship, DrugProstaglandinsGuanineAnalgesicsAnti-Inflammatory AgentsProton Pump InhibitorsDuodenal UlcerHeterocyclic Compounds, Bridged-RingAntibodies, MonoclonalBase PairingProstaglandin AntagonistsPachyrhizusIntestinal DiseasesDeoxyguanosineAnticarcinogenic AgentsUpper Gastrointestinal TractChemopreventionTreatment OutcomeStomach DiseasesDrug Therapy, CombinationHelicobacter InfectionsArthritis, RheumatoidDrug UtilizationGrowth Differentiation Factor 15Deoxycytosine NucleotidesGuanosineHelicobacter pyloriUlcerFenamatesSalicylatesProspective StudiesRandomized Controlled Trials as TopicAdministration, TopicalDNATolmetinColorectal NeoplasmsPhytotherapyEnzyme-Linked Immunosorbent AssayG-QuadruplexesAntibodiesApoptosisPharmacoepidemiologyThiazolesImmunoglobulin GSpondylitis, AnkylosingOligodeoxyribonucleotidesTime Factors