Somer, E., MA, RD. & Health Media of America. (1995).
The Essential Guide To Vitamins and Minerals (2nd ed.). New York:
HarperCollins Publishers, Inc.
Murray, M., ND. (1996). Encyclopedia of Nutritional
Supplements. California: Prima Publishing.
Duyff, R., MS, RD, CFCS. (1996). The American Dietetic
Association's Complete Food & Nutrition Guide. Minnesota:
Chronimed Publishing.
Bussey, E. (April, 2000). The Food and Nutrition
Board of the National Academy of Sciences' Institute of Medicine.
Press Conference. Washington (Reuters Health).
Dietary Reference Intakes for Vitamin C, Vitamin E,
Selenium, and Beta-Carotene, and other Carotenoids. (2000). National
Academy Press.
Monsen, E., PhD, RD. (June, 2000). Dietary Reference
Intakes for the antioxidant nutrients: Vitamin C, Vitamin E, selenium,
and carotenoids. JADA: 637.
Iowa State University Extension. April, 1997. News and Reports.