AnalgesiaCatheters, IndwellingAnalgesia, EpiduralAnesthesia, GeneralAnalgesia, ObstetricalAnesthesiaCathetersAnesthesia, LocalAnesthesia, EpiduralAnesthesia, SpinalAnalgesia, Patient-ControlledAnesthesia, ConductionAnesthesia, InhalationAnesthesia, IntravenousAnesthesia, ObstetricalAnalgesics, OpioidPain, PostoperativeAnesthetics, LocalBupivacaineAnesthesia Recovery PeriodFentanylPain MeasurementAnesthesia, DentalMorphineCatheterizationNerve BlockAdjuvants, AnesthesiaCatheterization, Central VenousAnesthetics, IntravenousAnesthetics, InhalationPropofolAnesthetics, CombinedAcupuncture AnalgesiaAnalgesicsLidocaineSufentanilNitrous OxideMethyl EthersAnesthesiologyCatheterization, PeripheralIsofluraneMeperidineMonitoring, IntraoperativePainCentral Venous CathetersKetamineAnesthesia, CaudalAnestheticsInjections, SpinalUrinary CatheterizationConscious SedationLabor PainCardiac CathetersCesarean SectionDouble-Blind MethodAmbulatory Surgical ProceduresAmidesProspective StudiesHalothanePostoperative Nausea and VomitingPreanesthetic MedicationAnesthesia and AnalgesiaLabor, ObstetricEquipment FailureAnesthetics, DissociativeUrinary CathetersMepivacaineHypnotics and SedativesTramadolAlfentanilAnesthesia, Closed-CircuitTime FactorsEquipment DesignCatheter-Related InfectionsAnesthetics, GeneralThiopentalTreatment OutcomeAnalgesics, Non-NarcoticPrilocaineFemoral NerveIntubation, IntratrachealIntraoperative ComplicationsAnesthesia Department, HospitalXylazinePentobarbitalNaloxoneIntraoperative PeriodPregnancyBrachial PlexusKetorolacPain ThresholdEnfluraneClonidineHemodynamicsPiperidinesPostoperative CareDose-Response Relationship, DrugAnesthesia, IntratrachealMidazolamDrug Tolerance