Hydrogen SulfideCystathionine gamma-LyaseSulfidesCystathionine beta-SynthaseHydrogenRespirationHydrogen BondingRespiration DisordersHydrogen PeroxideAlkynesRespiratory Tract DiseasesThiosulfatesAir PollutantsOrganothiophosphorus CompoundsAir Pollutants, OccupationalDustSulfurRespiratory Function TestsVagotomyCarbon DioxideTidal VolumeRespiratory MechanicsWoodOccupational ExposureSulfurtransferasesInhalation ExposureSulfhemoglobinIntercostal MusclesCysteineThioamidesAir Pollution, IndoorSulfur CompoundsAminooxyacetic AcidCysteine SynthaseHeatingOxygenSulfur DioxideNalbuphineRespiratory Physiological PhenomenaMeat-Packing IndustryRespiratory CenterCardiovascular SystemKATP ChannelsOccupational DiseasesOzoneMethohexitalNitrogen DioxideLungOxidation-ReductionSulfitesPolyvinyl ChlorideCarotid SinusPeak Expiratory Flow RateApneaMorphineTextile IndustryPlethysmography, Whole BodyMaximum Allowable ConcentrationEncephalomalaciaRespiratory Dead SpaceDose-Response Relationship, DrugSulfatesAnesthesiaEnvironmental ExposureForced Expiratory VolumeHypnotics and SedativesFiresAnesthesia, IntravenousSulfite Reductase (NADPH)HalitosisPhrenic NerveConscious Sedation