Anesthetics, LocalAnestheticsLidocaineBupivacaineAnesthesia, LocalTetracaineBenzocaineProcaineAnesthetics, InhalationNerve BlockPrilocaineMepivacaineEtidocaineDibucaineAnesthesia, DentalAnesthetics, GeneralAnesthetics, IntravenousCarticaineAnesthetics, CombinedAmidesIsofluraneHalothaneAnesthesia, EpiduralAnesthesia, ConductionAnesthesia, SpinalPain, PostoperativeEnfluraneAdjuvants, AnesthesiaAnesthesia, GeneralBrachial PlexusSciatic NerveAnesthesiaAnesthetics, DissociativeMethyl EthersFelypressinPropofolPain MeasurementAnesthesia, ObstetricalAnalgesia, EpiduralSodium ChannelsInjections, EpiduralSodium Channel BlockersAmbulatory Surgical ProceduresAnalgesia, ObstetricalMethoxyfluraneInjectionsDose-Response Relationship, DrugKetamineAnesthesia, InhalationBatrachotoxinsDouble-Blind MethodAnesthesia, IntravenousAnesthesiologyAnesthesia Recovery PeriodTooth ExtractionNitrous OxideFentanylNordefrinInjections, Intra-ArticularMandibular NerveEpinephrineThiopentalOctanolsCyclohexylaminesAmphibian VenomsEtomidateAnalgesics, OpioidInjections, SpinalFemoral NerveAnalgesiaEtherPainAnesthesia, CaudalTime FactorsProadifenPentobarbitalNeedlesDrug HypersensitivityMouth RehabilitationZygapophyseal JointMaxillary NerveConscious Sedation4-Aminobenzoic AcidSufentanilAnalgesia, Patient-ControlledSensationMexiletineEpidural SpaceHypnotics and SedativesCesarean SectionInfusion PumpsChemical ProcessesRats, Sprague-DawleyPreanesthetic MedicationVasoconstrictor AgentsSyringesMolar, ThirdOral HemorrhageDrug InteractionsAconitine