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AgricultureNutritionNutritional SciencesBioavailabilityCalcium HomeostasisHuman NutritionMicronutrient FortificationMicronutrient SupplementationVitamin DVitamin D DeficiencyVitamin PhysiologyVitamin SupplementationB VitaminsCereal FortificationCholecalciferol MetabolismSerum 25-Hydroxyvitamin D StatusVitamin Formulation
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Ann R. Webb, Loren Kline, Michael F. Holick · The Journal of Clinical Endocrinology & Metabolism · 1988 · 1.7K citations
Prevalence of Vitamin D Insufficiency in an Adult Normal Population
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Medicine, Nutrition, Human Nutrition +12