Anesthetics, LocalAnalgesiaAnesthesia, LocalAnestheticsAnalgesia, EpiduralLidocaineBupivacaineAnesthesia, GeneralAnesthesiaAnalgesia, ObstetricalAnesthesia, EpiduralAnesthetics, InhalationAnesthesia, SpinalNerve BlockTetracaineAnesthesia, ConductionAnesthesia, DentalProcainePrilocaineBenzocaineAnalgesia, Patient-ControlledMepivacaineAnesthesia, ObstetricalPain, PostoperativeAnesthesia, InhalationAnesthetics, IntravenousAnesthesia, IntravenousAnesthetics, GeneralEtidocaineAnesthetics, CombinedDibucaineAnalgesics, OpioidIsofluranePain MeasurementAdjuvants, AnesthesiaAmidesAnesthesia Recovery PeriodFentanylHalothanePropofolCarticaineMethyl EthersMorphineKetamineAnesthetics, DissociativeEnfluraneNitrous OxideAnesthesiologyAmbulatory Surgical ProceduresDouble-Blind MethodSufentanilAnalgesicsBrachial PlexusPainAnesthesia, CaudalInjections, SpinalMeperidineConscious SedationCesarean SectionAcupuncture AnalgesiaDose-Response Relationship, DrugSciatic NerveMonitoring, IntraoperativeThiopentalPreanesthetic MedicationInjections, EpiduralHypnotics and SedativesInjectionsLabor PainPentobarbitalTramadolFemoral NerveFelypressinMethoxyfluranePostoperative Nausea and VomitingLabor, ObstetricSodium ChannelsProspective StudiesTime FactorsXylazineTooth ExtractionEpinephrineSodium Channel BlockersMandibular NerveEtomidateAnesthesia Department, HospitalEtherInjections, Intra-ArticularMidazolamAlfentanilAnesthesia, Closed-CircuitSurgical Procedures, MinorKetorolacIntraoperative PeriodPregnancyNeedlesAnesthesia and AnalgesiaAnalgesics, Non-NarcoticBatrachotoxinsIntraoperative Complications