AspirinPainChronic PainPain ManagementPain ThresholdPain, PostoperativeLow Back PainBack PainPlatelet Aggregation InhibitorsPain MeasurementAnti-Inflammatory Agents, Non-SteroidalAbdominal PainNeck PainPain, IntractablePelvic PainPain PerceptionFacial PainAcute PainPain, ReferredProtein BiosynthesisShoulder PainThromboxane B2Cyclooxygenase InhibitorsMusculoskeletal PainTime FactorsTiclopidineProtein Synthesis InhibitorsKineticsStereoisomerismRNA, MessengerPlatelet AggregationAnalgesicsSalicylatesMolecular StructureDose-Response Relationship, DrugCells, CulturedMolecular Sequence DataPlatelet Function TestsCycloheximideDNAEscherichia coliTreatment OutcomeNeuralgiaNociceptive PainDrug Therapy, CombinationCell LineDNA ReplicationCyclizationDouble-Blind MethodBase SequenceMutationBlood PlateletsTritiumProstaglandin-Endoperoxide SynthasesSodium SalicylateChronic DiseaseLeucineAnalgesics, OpioidProspective StudiesTranscription, GeneticCarbon IsotopesLiverCyclooxygenase 1ProstaglandinsFibrinolytic AgentsRNAIbuprofenDinoprostoneHyperalgesiaDactinomycinThromboxanesMyofascial Pain SyndromesIndomethacinHemorrhageCell-Free SystemComplex Regional Pain SyndromesAnticoagulantsBacterial ProteinsChemistry Techniques, SyntheticVisceral PainAcetaminophenAsthma, Aspirin-InducedAmino Acid SequenceCyclooxygenase 2 InhibitorsWarfarinRats, Sprague-DawleyThromboxane A2Risk FactorsPuromycinThymidineTablets, Enteric-CoatedPeptide BiosynthesisFollow-Up StudiesAmino AcidsGastrointestinal HemorrhageCyclooxygenase 2Cell DivisionPlatelet ActivationArthralgiaBleeding Time