AnalgesicsAnestheticsAnesthetics, LocalAnesthetics, InhalationAnalgesics, OpioidAnesthetics, GeneralAnalgesics, Non-NarcoticAnesthetics, IntravenousIsofluraneHalothaneAnesthetics, CombinedAnalgesiaLidocainePain MeasurementEnfluranePainBupivacainePain, PostoperativeMethyl EthersAnesthetics, DissociativeAnesthesiaAnesthesia, LocalPropofolMorphineAnesthesia, GeneralMethoxyfluraneKetamineTramadolNerve BlockAnesthesia, InhalationNitrous OxidePrilocaineFentanylAnesthesia, DentalBenzocaineTetracainePhenacetinThiopentalAcetaminophenDose-Response Relationship, DrugEtomidateProcaineEtherAnesthesia, IntravenousPentobarbitalAnesthesiologyMepivacaineDextropropoxypheneAnesthesia, EpiduralDrug ToleranceAnalgesia, EpiduralHypnotics and SedativesAnti-Inflammatory Agents, Non-SteroidalDibucaineAnesthesia, ObstetricalAdjuvants, AnesthesiaAnesthesia, SpinalAnesthesia, ConductionPain ThresholdMeperidineDouble-Blind MethodInjections, SpinalAnesthesia Recovery PeriodEtidocaineHypnosis, AnestheticCodeineAmidesXylazineCarticainePain ManagementChloroformPregnanedionesMedetomidinePreanesthetic MedicationAnalgesia, Patient-ControlledAmbulatory Surgical ProceduresXenonHyperalgesiaDipyroneReceptors, Opioid, muEthersAnalgesia, ObstetricalPentazocineOxycodoneRats, Sprague-DawleyNaloxoneSufentanilTolmetinDexmedetomidineKetorolacButorphanolAlfentanilMonitoring, IntraoperativeMidazolamPain, IntractableDrug InteractionsKetoprofenReceptors, OpioidAcupuncture AnalgesiaChlorofluorocarbons