1. Institute of Medicine. Subcommittee on Folate, Other B Vitamins, and Choline Dietary Reference Intakes,1998
2. Dietary Reference Intakes;Yates;J Am Diet Assoc.,1998
3. Translating the Science Behind the Dietary Reference Intakes
4. Folate chemistry and metabolism;Shane,1995
5. Bioavailablity of folate;Gregory;Eur J Clin Nutr.,1997