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References

Vitamin D Deficiency

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  5. Opinder Sahota: Understanding vitamin D deficiency; Age Ageing. 2014 Sep; 43(5): 589–591.; Published online 2014 Jul 28.; doi: 10.1093/ageing/afu104; PMCID: PMC4143492
  6. Adekunle Dawodu, Barbara Davidson, Jessica G. Woo, Yong-Mei Peng, Guillermo M. Ruiz-Palacios, Maria de Lourdes Guerrero, Ardythe L. Morrow: Sun Exposure and Vitamin D Supplementation in Relation to Vitamin D Status of Breastfeeding Mothers and Infants in the Global Exploration of Human Milk Study; Nutrients. 2015 Feb; 7(2): 1081–1093.; Published online 2015 Feb 5. doi: 10.3390/nu7021081; PMCID: PMC4344576
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  15. Webb AR, Kline L, Holick MF.: Influence of season and latitude on the cutaneous synthesis of vitamin D3: exposure to winter sunlight in Boston and Edmonton will not promote vitamin D3 synthesis in human skin.; J Clin Endocrinol Metab. 1988 Aug;67(2):373-8.; PMID: 2839537
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