PubMed · 2008 · 147 citations · 7 references
Thus, with longer sunshine exposure subjects residing in rural area had better mean 25(OH)D values than that of urbans. However, 70% of them were still vitamin D deficient. These facts indicate the need for the countrywide vitamin D food fortification program irrespective of rural or urban setting.
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Madhava Rao Vupputuri, Ravinder Goswami, Nandita Gupta et al. · American Journal of Clinical Nutrition · 2006 · 149 citations
Nutrition, Genetic Determinant, 25-Hydroxyvitamin D Deficiency +9