Cod liver oil, vitamin A toxicity, frequent respiratory infections, and the vitamin D deficiency epidemic
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| Description | scientific article |
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author: Heike A Bischoff-Ferrari Armin Zittermann Bruce W. Hollis Sherry A Tanumihardjo Reinhold Vieth Edward L. Giovannucci Walter C. Willett |
| Publication date | November 1, 2008 |
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