Nitrous OxideAnesthetics, InhalationAnesthesia, InhalationNitric Oxide SynthaseIsofluraneXenonMethyl EthersDenitrificationAnesthetics, CombinedHalothaneAnti-Inflammatory Agents, Non-SteroidalNitric Oxide Synthase Type IIAnesthesia, GeneralNitritesOxidesAspirinFentanylEnfluraneAnesthesia, DentalAdministration, InhalationGas ScavengersNitric Oxide Synthase Type IIIDental Health ServicesAnestheticsNitrates5-Methyltetrahydrofolate-Homocysteine S-MethyltransferasePropofolAnesthesia Recovery PeriodOxidoreductasesAnesthetics, IntravenousNitric Oxide Synthase Type INitrogen OxidesAlfentanilPreanesthetic MedicationAnalgesics, Non-NarcoticAcetaminophenAlbuterolAdrenergic beta-AgonistsAnesthesia, IntravenousAcetyleneEthersNitrificationOxygenTime FactorsZinc OxideNitrogenThiopentalDose-Response Relationship, DrugAsthmaRisk FactorsBronchodilator AgentsCase-Control StudiesTobacco, SmokelessDouble-Blind MethodProspective StudiesNeuromuscular Nondepolarizing AgentsAnesthesiaConscious SedationNitrite ReductasesQuestionnairesMethoxyfluraneCarbon DioxidePseudomonasIntubation, IntratrachealHypnosis, AnestheticNG-Nitroarginine Methyl EsterEthyl ChlorideEuphoriaThiamylalAtracuriumMonitoring, IntraoperativeIntraoperative PeriodDermatologic Surgical ProceduresArginineOxidation-ReductionChloral HydrateVecuronium Bromide