Sodium SeleniteSelenious AcidSeleniumSelenomethionineSelenium CompoundsSelenic AcidEthylmercuric ChlorideEthylmercury CompoundsMercury RadioisotopesGlutathione PeroxidaseSelenium RadioisotopesSodiumOrganoselenium CompoundsHoof and ClawYeast, DriedSelenoproteinsSpirulinaRadiation-Protective AgentsKashin-Beck DiseaseThioredoxin-Disulfide ReductaseSelenocysteinePlant PoisoningSodium ChannelsDietary SupplementsLens, CrystallineCataractPlants, EdibleAnimal FeedRandom AllocationGlutathioneVitamin E