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1. Ambrosini G. L. et al. Plasma retinol and total carotenes and fracture risk after long-term supplementation with high doses of retinol. Nutrition. 2014; 30(5): 551–556. 2. Michaelsson K. et al. Serum retinol levels and the risk of fracture. NEJM. 2003; 348:287–294. 3. Opotowsky A. R. and Bilezikian J. P. Serum vitamin A concentration and the risk of hip fracture among women 50 to 74 years old in the United States: A prospective analysis of the NHANES I follow-up study. Am J Med. 2004; 117:169–174. 4. Ambrosini G. L. et al. No dose-dependent increase in fracture risk after long-term exposure to high doses of retinol or beta-carotene. Osteoporos Int. 2012; 24:1285–1293.

Published on

06 April 2018

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