Effect of vitamin D intake on seasonal variations in parathyriod hormone secretion in post...
Autor: | Krall, E.A., Sahyoun, N. |
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Zdroj: | New England Journal of Medicine. 12/18/89 Supplement, Vol. 321 Issue 24, p1777. 7p. 2 Color Photographs, 13 Graphs. |
Databáze: | Academic Search Ultimate |
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