Fuente
Arch Intern Med . Demographic differences and trends of vitamin D insufficiency in the US population. Accessed diciembre 23, 2011
National Academy of Sciences. Institute of Medicine. Food and Nutrition Board. Dietary Reference Intakes: Recommended Intakes for Individuals. Accessed diciembre 23, 2011
U.S. Department of Agriculture and U.S. Department of Health and Human Services. Dietary Guidelines for Americans. Nutrients of concern. Accessed diciembre 23, 2011
U.S. Department of Agriculture and U.S. Department of Health and Human Services. Dietary Guidelines for Americans. Apéndices 12-15. Accessed diciembre 23, 2011
Escrito por personal editorial de familydoctor.org.
Creado: 01/12