PainChronic PainPain ManagementPain ThresholdPain, PostoperativeLow Back PainBack PainPain MeasurementAbdominal PainNeck PainPain, IntractablePelvic PainPain PerceptionFacial PainAcute PainPain, ReferredShoulder PainMusculoskeletal PainAnalgesicsNociceptive PainNeuralgiaAnalgesics, OpioidChronic DiseaseMyofascial Pain SyndromesHyperalgesiaComplex Regional Pain SyndromesVisceral PainTreatment OutcomeArthralgiaAnalgesiaLabor PainTime FactorsNociceptorsQuestionnairesFibromyalgiaAnesthetics, LocalDisability EvaluationCatastrophizationProspective StudiesFlank PainEye PainDouble-Blind MethodSeverity of Illness IndexPhylogenyMorphineFollow-Up StudiesAnalgesics, Non-NarcoticInjections, SpinalMagnetic Resonance ImagingQuality of LifeSciaticaToothacheLidocaineNerve BlockOsteoarthritis, KneeRange of Motion, ArticularNociceptionRetrospective StudiesPhysical Therapy ModalitiesSpinal NervesPhantom LimbSpinal CordMusculoskeletal DiseasesReproducibility of ResultsAnalysis of VarianceTrigeminal NeuralgiaTemporomandibular Joint DisordersKnee JointRadiculopathyHot TemperatureAnti-Inflammatory Agents, Non-SteroidalPeripheral Nervous System DiseasesRats, Sprague-DawleyTranscutaneous Electric Nerve StimulationAcupuncture AnalgesiaAcute DiseaseTramadolIntervertebral Disc DisplacementLumbosacral RegionMolecular Sequence DataOxycodoneCyclohexanecarboxylic AcidsDisease Models, AnimalBupivacaineCross-Sectional StudiesOsteoarthritisAlgorithmsHeadacheInjections, Intra-ArticularPrevalenceAnalgesia, Patient-ControlledRisk FactorsRecovery of FunctionActivities of Daily LivingFacial NeuralgiaExercise TherapyAcupuncture TherapyGanglia, SpinalTomography, X-Ray ComputedPalliative Care