1Codex Alimentarius Commission. Codex Alimentarius, Vol. 4. General Principles for the Addition of Essential Nutrients to Foods. Rome: Codex Alimentarius Commission, 1994.
2 Amendment No. 6 to the National Health and Medical Research Council's Food Standards Code. Commonwealth of Australia Gazette 1990; (Aug 27): 29.
3Lewis, J, Broomhead, L, Jupp, P, Reid, J. Nutritional considerations in the development and review of food standards, with particular emphasis on food composition. Food Control 2003; 14: 399–407.
4Wood, B. Thiamin status in Australia. World Review of Nutrition and Dietetics 1985; 46: 148–218.
5 Commonwealth Department of Health and Ageing. Policy Guideline: Fortification of Foods with Vitamins and Minerals. Policy Documents [online]. Food Regulation Secretariat, 2004. Available at http://www.foodsecretariat.health.gov.au. Accessed 21 January 2005.
7Medical Research Council Vitamin Study Research Group. Prevention of neural tube defects: results of the Medical Research Council Vitamin Study Research Group. Lancet 1991; 338: 131–7.
8Czeizel, A, Dudas, I. Prevention of the first occurrence of neural-tube defects by periconceptional vitamin supplementation. New England Journal of Medicine 1992; 327: 1832–5.
9Lumley, J, Watson, L, Watson, M, Bower, C. Periconceptional supplementation with folate and/or multivitamins for preventing neural tube defects (Cochrane Review). Cochrane Database of Systematic Reviews 2001; (3): CD001056.
11Bower, C, Ryan, A, Rudy, E, Miller, M. Trends in neural tube defects in Western Australia. Australian and New Zealand Journal of Public Health 2002; 26(2): 150–1.
12Lawrence, MA, Rutishauser, IHE, Lewis, JL. An analysis of the introduction of folate-fortified food products into stores in Australia. Australian Journal of Nutrition and Dietetics 1999; 56: 15–21.
13Bower, C, Blum, L, O'Daly, K, Higgins, C, Loutsky, F, Kosky, C. Promotion of folate for the prevention of neural tube defects: knowledge and use of periconceptional folic acid supplements in Western Australia, 1992–1995. [Published erratum appears in Australian and New Zealand Journal of Public Health 1998; 22: 72]. Australian and New Zealand Journal of Public Health. 1997; 21: 716–21.
14Institute of Medicine. Folate. In: Dietary Reference Intakes for Thiamin, Riboflavin, Niacin, Vitamin B6, Folate, Vitamin B12, Pantothenic Acid, Biotin, and Choline. Washington, DC: National Academy Press, 1998; 198–305.
15Quinlivan, EP, Gregory, JF III. Effect of food fortification on folic acid intake in the United States. American Journal of Clinical Nutrition 2003; 77: 221–5.
16Yetley, AE, Rader, JI. Modeling the level of fortification and post-fortification assessments: US experience. Nutrition Reviews 2004; 62: S50–9.
17Smith, R. Editor's choice: ‘Let food be thy medicine...’. British Medical Journal 2004; 328: 7433.
18Expert Panel on Folate Fortification. Folate Fortification. Canberra: National Health and Medical Research Council, 1995.
19Abraham, B, Webb, K. Interim Evaluation of the Voluntary Folate Fortification Policy. Canberra: Australian Food and Nutrition Monitoring Unit, 2001.
20Lucock, MD, Yates, Z. A differential role for folate in developmental disorders, vascular disease and other clinical conditions: the importance of folate status and genotype. In: Massaro, EJ, ed. Folate and Human Development. Totowa, NJ: Humana Press, 2001; 263–98.
21Shane, B. Folate fortification: enough already?. American Journal of Clinical Nutrition. 2003; 77: 8–9.
22Mills, JL. Fortification of foods with folic acid – how much is enough?. New England Journal of Medicine 2000; 342: 1442–5.
23Food Standards Australia New Zealand (FSANZ). Annual Report 2003–2004. Canberra: FSANZ, 2004.
24 Commonwealth Department of Health and Ageing, Australia/Ministry of Health, New Zealand/National Health and Medical Research Council, Australia. Draft Nutrient Reference Values for Australia and New Zealand including Recommended Dietary Intakes [online], 2005. Available at http://www.nhmrc.gov.au/advice/pdf/nrvf.pdf. Accessed 20 January 2005.
26Food and Drug Administration. Food standards: amendment of standards of identity for enriched grain products to require addition of folic acid. Final rule. 21 CFR Parts 136, 137, and 139. Federal Register 1996; 61: 8781–807.
27Health Canada. Regulations amending the Food and Drug Regulations (1066). Canada Gazette Part 1 1997; 131: 3702–37.
28The Health Council of the Netherlands. The Hague. Care needed with folic acid fortification. Network 2001; 16(1).
29Rasmussen, LB, Andersen, NL, Andersson, G, Lange, AP, Rasmussen, K, Skak-Iversen, L, et al. Folate and neural tube defects. Recommendations from a Danish working group. Danish Medical Bulletin 1998; 45: 213–7.