REFERENCES
  1. Czeizel AE. CNS Drugs 1996, 6 (5): 399-412.
  2. Czeizel AE & Dundas I. New Eng J Med 1992; 327: 1832-5.
  3. Czeizel AE. Birth Defects Res (Part A) 2004, 70: 853-861
  4. National Health and Medical Research Council. Recommended Dietary Intakes for Australia and New Zealand. Endorsed by the NHMRC on the 9th Sept 2005.
  5. Cogswell ME et al. Am J Clin Nutr 2003, 78:773-781.
  6. Czeizel AE Int J Med Sci 2004, 1(1) 50-61
  7. Czeizel AE et al. Arch Gynecol Obstet 1992, 181-185.