Geographical differentiation of selenium concentration in hair from children and youngsters in China |
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Authors: | Wang Mingyuan |
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Affiliation: | Institute of Geograpy;Academia Sinica;Beijing 100101;China |
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Abstract: | Selenium concentration in hair are sorted out into three classes, i.e. low (<110 ppb), medium (110-520 ppb) and high (>520 ppb) according to the principle of multiple normal distribution and a map of classification of selenium concentration in hair from children and youngsters in China has been drawn. Selenium insufficiency in relation to Keshan disease and Kashin-Beck's disease is expounded. Geographical differentiation of hair selenium concentrations and its causes are explained. |
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Keywords: | hair selenium geographical differentiation Keshan disease Kaschin-Beck's disease. |
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