Nitrous OxideMethaneAnesthetics, InhalationAnesthesia, InhalationNitric Oxide SynthaseMethylococcaceaeIsofluraneDenitrificationXenonMethyl EthersMethylococcus capsulatusAnesthetics, CombinedOxygenasesEuryarchaeotaHalothaneNitric Oxide Synthase Type IIAnesthesia, GeneralNitritesOxidoreductasesOxidesFentanylEnfluraneAnesthesia, DentalGas ScavengersNitratesOxidation-ReductionNitric Oxide Synthase Type IIICarbon DioxideMethylosinus trichosporiumAnestheticsAcetyleneAnaerobiosisHydrogen5-Methyltetrahydrofolate-Homocysteine S-MethyltransferasePropofolAnesthesia Recovery PeriodNitrogenAnesthetics, IntravenousNitric Oxide Synthase Type IMethylocystaceaeNitrogen OxidesArchaeaOxygenAlfentanilPreanesthetic MedicationAnalgesics, Non-NarcoticEthaneGasesSoil MicrobiologyAnesthesia, IntravenousGreenhouse EffectEthersNitrificationAtmosphereGeologic SedimentsBacteriaDNA, ArchaealMethanolZinc OxideThiopentalDose-Response Relationship, DrugPseudomonasEthyl EthersMethanosarcinalesNeuromuscular Nondepolarizing AgentsConscious SedationNitrite ReductasesAnesthesiaSoilMethoxyfluraneRNA, Ribosomal, 16SChloral HydrateAerobiosisIntubation, IntratrachealHypnosis, AnestheticNG-Nitroarginine Methyl EsterMethanomicrobiaceaeEthyl ChlorideCopperMethanosarcinaceaeSeawaterEuphoriaFermentationThiamylalAtracuriumAcetatesMonitoring, IntraoperativeIntraoperative PeriodAirRumenDermatologic Surgical ProceduresArginineMolecular Sequence DataMesnaPhylogenyMicrobial ConsortiaMethanomicrobialesVitamin B 12Vecuronium Bromide