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Publisher: Cambridge University Press
E-ISSN: 1475-2662|62|1|23-34
ISSN: 0007-1145
Source: British Journal of Nutrition, Vol.62, Iss.1, 1989-07, pp. : 23-34
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Some factors affecting the level of vitamin D in the blood of sheep
British Journal of Nutrition, Vol. 18, Iss. 1, 1964-02 ,pp. :