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Abstract
Extract
Until recently, interest in the biology of selenium was focused on its properties as a naturally-occurring poison in plants grazed by stock in certain problem areas, notably in the western states of North America. The geological distribution of soils bearing seleniferous vegetation, the toxicities of various forms of selenium, including those of its inorganic salts, and the treatment and prevention of selenium poisoning have been dealt with in detail by CitationRosenfeld and Beath (1964), and those aspects will not be considered further in this review.
