Anesthesia, GeneralAnesthesiaAdministration, InhalationAnesthesia, LocalAnesthesia, InhalationInhalation ExposureAnesthesia, EpiduralAnesthesia, SpinalAnesthesia, ConductionAnesthesia, IntravenousSmoke Inhalation InjuryBurns, InhalationAnesthesia, ObstetricalAnesthetics, InhalationAnesthesia Recovery PeriodAnesthesia, DentalInhalationAnesthetics, IntravenousIsofluranePropofolAdjuvants, AnesthesiaNitrous OxideAnesthesiologyMethyl EthersAnesthetics, LocalAnesthetics, CombinedAnestheticsAerosolsHalothaneMonitoring, IntraoperativeAnesthesia, Closed-CircuitLidocaineFentanylPreanesthetic MedicationAnesthetics, GeneralBupivacaineAmbulatory Surgical ProceduresEnfluraneThiopentalKetamineLungTime FactorsNerve BlockAnesthesia, CaudalIntubation, IntratrachealPentobarbitalPowdersAnesthetics, DissociativeBiological TransportXylazineConscious SedationDose-Response Relationship, DrugCarbon DioxideAnesthesia Department, HospitalXenonRespirationAnesthesia, IntratrachealIntraoperative ComplicationsPain, PostoperativeBronchial Provocation TestsOxygenDouble-Blind MethodAnesthesia and AnalgesiaHemodynamicsEthersEtherIntraoperative PeriodCesarean SectionMethohexitalAsthmaHeart RateElectroencephalographyConsciousnessPrilocaineHypnotics and SedativesAtmosphere Exposure ChambersProspective StudiesSurgical Procedures, MinorBronchodilator AgentsDogsAlbuterolParticle SizeBlood PressureMidazolamAlfentanilMepivacaineAirway ResistanceRadiopharmaceuticalsXenon RadioisotopesAir Pollutants, OccupationalRats, Sprague-DawleyNeuromuscular Nondepolarizing AgentsGlucosePostoperative Nausea and VomitingDry Powder InhalersBronchoalveolar Lavage FluidRats, Inbred F344BurnsBlood Gas AnalysisForced Expiratory Volume