Hydrogen SulfideWaterCystathionine gamma-LyaseHydrogen BondingSulfidesCystathionine beta-SynthaseHydrogenHydrogen PeroxideAlkynesThiosulfatesOrganothiophosphorus CompoundsWater SupplySulfurFresh WaterSulfurtransferasesSulfhemoglobinCysteineThioamidesBody WaterSulfur CompoundsAminooxyacetic AcidCysteine SynthaseAir PollutantsKATP ChannelsOxidation-ReductionWater PurificationSulfitesWater PollutionEncephalomalaciaSulfatesGasesSulfite Reductase (NADPH)GlycineHalitosis