Hydrogen SulfideNeurotransmitter Uptake InhibitorsCystathionine gamma-LyaseSulfidesCentral Nervous SystemElectroencephalographyCystathionine beta-SynthaseHydrogenHydrogen BondingDose-Response Relationship, DrugHydrogen PeroxideAlkynesThiosulfatesOrganothiophosphorus CompoundsSulfurSulfurtransferasesSulfhemoglobinCysteineThioamidesSulfur CompoundsAminooxyacetic AcidCysteine SynthaseKATP ChannelsAir PollutantsOxidation-ReductionSulfitesEncephalomalaciaSulfatesSulfite Reductase (NADPH)Halitosis