PainPain ManagementChronic PainPain ThresholdPain, PostoperativeBack PainLow Back PainPain MeasurementAbdominal PainNeck PainPain, IntractablePelvic PainPain PerceptionFacial PainAcute PainPain, ReferredShoulder PainMusculoskeletal PainTreatment OutcomeAnalgesicsNeuralgiaNociceptive PainAnalgesics, OpioidTime FactorsChronic DiseaseRetrospective StudiesMyofascial Pain SyndromesHyperalgesiaProspective StudiesFollow-Up StudiesComplex Regional Pain SyndromesVisceral PainSurgical Procedures, OperativeSurgical Procedures, Minimally InvasiveAnalgesiaArthralgiaPostoperative ComplicationsQuestionnairesLabor PainAnesthetics, LocalOrthopedic ProceduresReproducibility of ResultsVascular Surgical ProceduresAmbulatory Surgical ProceduresNociceptorsMethodsSeverity of Illness IndexDisability EvaluationFibromyalgiaCardiac Surgical ProceduresCatastrophizationDouble-Blind MethodFlank PainLaparoscopyNeurosurgical ProceduresReoperationTomography, X-Ray ComputedMorphineNerve BlockFluoroscopyLidocaineEye PainReconstructive Surgical ProceduresRisk FactorsSensitivity and SpecificityAnalgesics, Non-NarcoticAnesthesia, LocalUrologic Surgical ProceduresRange of Motion, ArticularQuality of LifeInjections, SpinalAnalysis of VarianceMagnetic Resonance ImagingGynecologic Surgical ProceduresRadiography, InterventionalTrigeminal NeuralgiaToothacheOsteoarthritis, KneeKnee JointEndovascular ProceduresDigestive System Surgical ProceduresSciaticaHot TemperatureRecurrenceEndoscopyEquipment DesignRadiculopathyFeasibility StudiesPhysical Therapy ModalitiesFontan ProcedureIntervertebral Disc DisplacementCardiovascular Surgical ProceduresSurgical Procedures, ElectivePalliative CareSpinal NervesEvaluation Studies as TopicNociceptionMusculoskeletal DiseasesCatheter AblationPredictive Value of Tests