AspirinAnti-Inflammatory Agents, Non-SteroidalPlatelet Aggregation InhibitorsCyclooxygenase InhibitorsIbuprofenCyclooxygenase 2 InhibitorsDiclofenacNaproxenGastrointestinal DiseasesStomach UlcerThromboxane B2Gastrointestinal HemorrhageTiclopidinePeptic UlcerFlurbiprofenAcetaminophenCyclooxygenase 1SalicylatesPiroxicamDrug Therapy, CombinationPeptic Ulcer HemorrhageProstaglandin-Endoperoxide SynthasesCyclooxygenase 2Platelet AggregationThiazinesKetoprofenPlatelet Function TestsRisk FactorsSulfonesGastric MucosaPyrazolesProton Pump InhibitorsAnti-Ulcer AgentsEtodolacSulfonamidesLactonesButanonesBlood PlateletsMisoprostolDouble-Blind MethodSodium SalicylateStomach DiseasesDose-Response Relationship, DrugFibrinolytic AgentsArthritisProspective StudiesDrug HypersensitivityAnalgesics, Non-NarcoticKetorolacHemorrhageAsthma, Aspirin-InducedDuodenal UlcerDinoprostoneUpper Gastrointestinal TractAnticoagulantsDrug InteractionsWarfarinTablets, Enteric-CoatedTreatment OutcomeIntestinal DiseasesProstaglandinsBleeding TimePlatelet ActivationOsteoarthritisThromboxanesTime FactorsThromboxane A2Histamine H2 AntagonistsPhenylpropionatesUlcerThrombosisCase-Control StudiesClonixinCohort StudiesDrug UtilizationRisk AssessmentMyocardial InfarctionRandomized Controlled Trials as TopicDipyridamoleIncidenceDrug Administration ScheduleTolmetinHelicobacter InfectionsPeptic Ulcer PerforationChemopreventionHelicobacter pyloriColorectal NeoplasmsMefenamic AcidAnticarcinogenic AgentsLipoxinsAnalgesicsAnti-Inflammatory AgentsDrug PrescriptionsDrug ResistanceIndomethacinRheumatic DiseasesFollow-Up StudiesRiskSulfinpyrazoneIsoenzymes