QuestionnairesPain MeasurementPainPain, PostoperativePain ManagementLabial FrenumLow Back PainChronic PainReproducibility of ResultsNefopamPsychometricsPain ThresholdQuality of LifeTreatment OutcomeBack PainAnalgesicsProspective StudiesDisability EvaluationAnalgesiaSeverity of Illness IndexNeck PainDouble-Blind MethodAbdominal PainCryingAnalgesics, OpioidPain, IntractableArthralgiaPatient SatisfactionOsteoarthritis, KneeNeonatal NursingAnesthetics, LocalAnesthesia, CaudalPelvic PainPain PerceptionBupivacaineAnalgesics, Non-NarcoticCross-Sectional StudiesFibromyalgiaFacial PainLidocaineFollow-Up StudiesAcute PainChronic DiseasePain, ReferredShoulder PainConscious SedationAnesthesia, LocalPilot ProjectsTime FactorsFentanylMusculoskeletal PainOsteoarthritis, HipOutcome Assessment (Health Care)Injections, IntramuscularSingle-Blind MethodObserver VariationRisk FactorsFactor Analysis, StatisticalKnee JointMorphinePrevalenceAcetaminophenPsychiatric Status Rating ScalesHealth StatusRetrospective StudiesActivities of Daily LivingHealth Knowledge, Attitudes, PracticeLumbar VertebraeSickness Impact ProfileTranslationsCohort StudiesDepressionNeuralgiaAnxietyHealth Status IndicatorsAttitude of Health PersonnelStress, PsychologicalAttitude to HealthNociceptive PainSex FactorsHealth SurveysTranslatingGreat BritainNetherlandsOccupational DiseasesAge FactorsLogistic ModelsSocioeconomic FactorsSelf ReportAdaptation, PsychologicalJapanData CollectionEnglandMusculoskeletal DiseasesAnalysis of VarianceParentsLanguagePostal ServiceMyofascial Pain SyndromesBrazil