Nitrous OxideAdministration, InhalationAnesthetics, InhalationInhalation ExposureAnesthesia, InhalationSmoke Inhalation InjuryNitric Oxide SynthaseBurns, InhalationIsofluraneInhalationXenonHalothaneMethyl EthersAnesthetics, CombinedDenitrificationNitric Oxide Synthase Type IIAnesthesia, GeneralAerosolsEnfluraneNitritesOxidesFentanylAnesthesia, DentalAnestheticsGas ScavengersNitric Oxide Synthase Type IIINitratesPropofolAnesthesia Recovery PeriodAnesthetics, Intravenous5-Methyltetrahydrofolate-Homocysteine S-MethyltransferaseOxygenEthersDose-Response Relationship, DrugNitrogen OxidesPreanesthetic MedicationAnesthesia, IntravenousOxidoreductasesNitric Oxide Synthase Type ICarbon DioxideAnalgesics, Non-NarcoticAlfentanilAtmosphere Exposure ChambersLungZinc OxideAcetyleneNitrificationPowdersGasesAir Pollutants, OccupationalThiopentalNitrogenMethoxyfluraneIntubation, IntratrachealAnesthesiaTime FactorsConscious SedationBronchial Provocation TestsHypnosis, AnestheticNeuromuscular Nondepolarizing AgentsNitrite ReductasesRespirationAsthmaNG-Nitroarginine Methyl EsterHemodynamicsAirPseudomonasPartial PressureRats, Sprague-DawleyAir PollutantsEthyl ChlorideCerebrovascular CirculationOccupational ExposureEuphoriaBronchodilator AgentsMonitoring, IntraoperativeThiamylalArginineDouble-Blind MethodAtracuriumIntraoperative PeriodDrug InteractionsOxidation-ReductionAlbuterolParticle SizeDermatologic Surgical ProceduresBlood PressureMidazolamChloral HydrateRats, Inbred F344Vecuronium Bromide