Vitamin D deficiency in Russia – treatment and prevention
Prevention and Treatment of Vitamin D Deficiency: Choosing the Best Approach
Melnichenko https://doi.org/10.15690/vsp.v20i4.2246
G. A. Melnichenko , L. S. Namazova-Baranova , O. A. Gromova , O. M. Drapkina , T. L. Karonova , K. S. Kulikova , Yu. A. Krupinova , O. M. Lesnyak , N. V. Mazurina , A. A. Panov , E. A. Pigarova , L. Ya. Rozhinskaya , Zh. E. Belaya , L. A. Ruyatkina , L. A. Suplotova
📄 Download the Russian PDF from VitaminDWiki
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Note: they use Vitamin D3 or Vitamin D2 (which has a short half life - much less than a month)

VitaminDWiki
Deficiency of Vitamin D category starts with the following
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Vitamin D3 instead of D2 category in VitaminDWiki starts with
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