Isotope LabelingSulfurIsotopesSulfur CompoundsSulfur IsotopesNitrogen IsotopesOxygen IsotopesCarbon IsotopesSulfur DioxideAmino Acids, SulfurMustard GasZinc IsotopesSulfidesThiosulfatesDeuteriumSulfur OxidesIron IsotopesSulfatesStrontium IsotopesChlorobiOxidoreductases Acting on Sulfur Group DonorsSulfur HexafluorideOxidation-ReductionRadioisotope Dilution TechniqueChromatiaceaeChemical Warfare AgentsSulfurtransferasesMass SpectrometrySulfur AcidsCysteine