Annals of Internal Medicine · 1971 · 48 citations · 0 references
AgricultureNutritionNutritional SciencesHuman NutritionMicronutrient DeficiencyMicronutrient NutritionDietary Sources Of MicronutrientsFolate DeficiencyIron DeficiencyMicronutrient RequirementsNutrient RequirementsVitamin NutritionB VitaminsMicronutrient Requirements In ChildrenNutritional Vitamin D StatusVitamin B12 (Cobalamin)Vitamin B12 Requirement Physiology