Anesthesia, GeneralAnesthesiaAdministration, InhalationAnesthesia, LocalAnesthesia, InhalationInhalation ExposureAnesthesia, EpiduralAnesthesia, SpinalAnesthesia, ConductionAnesthesia, IntravenousSmoke Inhalation InjuryBurns, InhalationAnesthesia, ObstetricalAnesthetics, InhalationAnesthesia Recovery PeriodAnesthesia, DentalInhalationAnesthetics, IntravenousIsofluranePropofolAdjuvants, AnesthesiaNitrous OxideAnesthetics, CombinedAnesthesiologyAnesthetics, LocalMethyl EthersAerosolsAnestheticsHalothaneComplex MixturesMonitoring, IntraoperativeLidocaineAnesthesia, Closed-CircuitFentanylPreanesthetic MedicationBupivacaineAnesthetics, GeneralKetamineAmbulatory Surgical ProceduresThiopentalEnfluraneNerve BlockPowdersLungIntubation, IntratrachealAnesthesia, CaudalPentobarbitalAnesthetics, DissociativeXylazineTime FactorsConscious SedationXenonAnesthesia Department, HospitalCarbon DioxideRespirationAnesthesia, IntratrachealIntraoperative ComplicationsPain, PostoperativeDose-Response Relationship, DrugDouble-Blind MethodBronchial Provocation TestsEthersAnesthesia and AnalgesiaHemodynamicsOxygenEtherPrilocaineMethohexitalIntraoperative PeriodAsthmaCesarean SectionElectroencephalographyHypnotics and SedativesConsciousnessAtmosphere Exposure ChambersHeart RateSurgical Procedures, MinorBronchodilator AgentsAlbuterolProspective StudiesMepivacaineParticle SizeAlfentanilMidazolamBlood PressureAirway ResistanceAir Pollutants, OccupationalXenon RadioisotopesPostoperative Nausea and VomitingNeuromuscular Nondepolarizing AgentsDry Powder InhalersBronchoalveolar Lavage FluidBurnsAnalgesics, OpioidBlood Gas AnalysisForced Expiratory VolumeRats, Inbred F344DogsSurgical Procedures, OperativeMethacholine Chloride