1. Institute of Medicine, Food and Nutrition Board. Dietary Reference Intakes for Vitamin A, Vitamin K, Arsenic, Boron, Chromium, Copper, Iodine, Iron, Manganese, Molybdenum, Nickel, Silicon, Vanadium, and Zinc,2001
2. Minerals in Animal and Human Nutrition;McDowell,2003
3. Advanced Nutrition and Human Metabolism;Gropper,2009
4. Chromium;Offenbacher,1997
5. Handbook of Nutritionally Essential Mineral Elements;O'Dell,1997