Links

http://www.birth.com.au/Nutrition-health-weight/Controversies-and-issues-about-folic-acid-supplements

http://www.patient.co.uk/health/Pregnancy-and-Folic-Acid.htm

http://www.babycenter.com/0_folic-acid-in-your-pregnancy-diet_476.bc

http://www.folicacid.ca/food-sources

http://www.womenshealth.gov/publications/our-publications/fact-sheet/folic-acid.cfm

Geissler, C.A., & Powers, H.J. (2009). Fundamentals of human nutrition: For students and practitioners 
               in the health sciences. Churchill Livingstone Elsevier. London.

Sardesai, V.M. (2003). Introduction to clinical nutrition. (Rev. ed. ) Marcel Dekker, Inc. New York.

Shils, M.E., & Olsen, J.A., & Shike,M., & Ross, A. C., (1999). Modern nutrition in heath and disease.
                (9th ed.)Williams and Wilkins. America.

Greer, I.A., & Cameron, A.T., & Magowan, B., & Roberts, R.N., & Walker, J.J. ( 2003) Problem-based 
                obstetrics and gynaecology. Churchill Livingstone. London.