• Health: Conditions and Diseases: Nutrition and Metabolism Disorders: Vitamins and Minerals: Osteomalacia  (4)
• Health: Conditions and Diseases: Nutrition and Metabolism Disorders: Vitamins and Minerals: Rickets  (11)

• Vitamin D- Calciferol - Description of the sunshine vitamin with recommended dosage, deficiency signs, and list of food sources.
• Vitamin D- Facts and Information - Facts on the vitamin such as RDA intake, functions, absorption, and deficiency signs including rickets.
• Vitamin D, Linus Pauling Institute - Discussion of function, deficiency, disease prevention, disease treatment, food sources, supplements, research, and recommendations from the Linus Pauling Institute.
• Vitamin D- Overview - Explains functions of the vitamin with RDA intake suggestions, symptoms of deficiency, and foods high in calciferol.

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