Hydrogen SulfideWaterCystathionine gamma-LyaseHydrogen BondingSulfidesCystathionine beta-SynthaseHydrogenIronHydrogen PeroxideAlkynesThiosulfatesOrganothiophosphorus CompoundsWater SupplyIron Chelating AgentsSulfurFresh WaterSulfurtransferasesSulfhemoglobinCysteineThioamidesBody WaterSulfur CompoundsAminooxyacetic AcidCysteine SynthaseOxidation-ReductionAir PollutantsKATP ChannelsIron OverloadSulfitesWater PurificationWater PollutionIron, DietaryEncephalomalaciaSulfatesGasesSulfite Reductase (NADPH)GlycineHalitosis