1. Effect of increasing dietary folate on red cell folate;Cuskelly;The Lancet,1996
2. Institute Of Medicine (IOM). (1997). Dietary Reference Intakes for calcium, phosphorus, magnesium, vitamin D, and fluoride. Food and Nutrition Board. Washington, DC: National Academy Press.
3. IOM. (1998). Dietary Reference Intakes for thiamin, riboflavin, niacin, vitamin B6, folate, vitamin B12, pantothenic acid, biotin, and choline. Washington, DC: National Academy Press.
4. IOM. (2000). Dietary Reference Intakes for vitamin C, vitamin E, selenium, and carotenoids. Washington, DC: National Academy Press.
5. IOM. (2001). Dietary Reference Intakes for vitamin A, vitamin K, arsenic, boron, chromium, copper, iodine, iron, manganese, molybdenum, nickel, silicon, vanadium, and zinc. Washington, DC: National Academy Press.