Selenium is one of essential elements for humans, animals and some kinds of plants.The biological function of selenium shows dual characteristics.The range of selenium content is very narrow between toxic and deficien...Selenium is one of essential elements for humans, animals and some kinds of plants.The biological function of selenium shows dual characteristics.The range of selenium content is very narrow between toxic and deficient concentration.Typical Kashin-Beck endemic areas intimately link with selenium deficiency.In one area,selenium levels展开更多
文摘Selenium is one of essential elements for humans, animals and some kinds of plants.The biological function of selenium shows dual characteristics.The range of selenium content is very narrow between toxic and deficient concentration.Typical Kashin-Beck endemic areas intimately link with selenium deficiency.In one area,selenium levels
