AspirinPainChronic PainPain ManagementPain ThresholdPain, PostoperativeLow Back PainBack PainPain MeasurementAbdominal PainNeck PainPain, IntractablePelvic PainPain PerceptionFacial PainAcute PainPain, ReferredShoulder PainMusculoskeletal PainAnti-Inflammatory Agents, Non-SteroidalPlatelet Aggregation InhibitorsAnalgesicsNociceptive PainNeuralgiaAnalgesics, OpioidTreatment OutcomeChronic DiseaseMyofascial Pain SyndromesHyperalgesiaComplex Regional Pain SyndromesVisceral PainTiclopidineThromboxane B2Cyclooxygenase InhibitorsDouble-Blind MethodArthralgiaAnalgesiaProspective StudiesPlatelet AggregationSalicylatesLabor PainDrug Therapy, CombinationPlatelet Function TestsTime FactorsNociceptorsQuestionnairesFollow-Up StudiesFibromyalgiaAnesthetics, LocalAnalgesics, Non-NarcoticDisability EvaluationCatastrophizationFlank PainDose-Response Relationship, DrugRisk FactorsBlood PlateletsAcetaminophenEye PainSodium SalicylateIbuprofenSeverity of Illness IndexFibrinolytic AgentsMorphineHemorrhageToothacheAnticoagulantsInjections, SpinalAsthma, Aspirin-InducedWarfarinSciaticaCyclooxygenase 1Tablets, Enteric-CoatedGastrointestinal HemorrhageLidocaineNerve BlockQuality of LifeCyclooxygenase 2 InhibitorsRetrospective StudiesProstaglandin-Endoperoxide SynthasesOsteoarthritis, KneeNociceptionBleeding TimePlatelet ActivationPhysical Therapy ModalitiesSpinal NervesPhantom LimbMusculoskeletal DiseasesThromboxanesMyocardial InfarctionCohort StudiesRandomized Controlled Trials as TopicTrigeminal NeuralgiaTemporomandibular Joint DisordersKnee JointRadiculopathyRange of Motion, ArticularThrombosisNaproxenAcute DiseaseThromboxane A2