Scott JM, Weir DG, Molloy A, McPartin J, Daly L and Kirke P. Folic acid metabolism and mechanisms of neural tube defects. Ciba Found Symp 1994; 181: 180-91
**Daly S, Mills JL, Molloy AM, Conley M, Lee YJ, Kirke PN Weir DG and Scott JM. Minimum effective dose of folic acid for food fortification to prevent neural-tube defects. Lancet 1997; 350: 1666-9
Mills JL. Fortification of foods with folic acid – how much is enough? N Engl J Med 2000; 342: 1442-5
Various. CORRESPONDENCE – Fortification of Foods with Folic Acid. N Engl J Med 2000; 343:970-72
**Wald NJ, Law MR, Morris JK and Wald DS. Quantifying the effect of folic acid. Lancet 2001; 358: 2069-73
Feinleib M, Beresford SA, Bowman BA, Mills JL, Rader JI, Selhub J, Yetley EA. Folate fortification for the prevention of birth defects: case study. Am J Epidemiol 2001;154 (Suppl): S60-9
**Honein MA, Paulozzi LJ, Mathews TJ, Erickson JD and Wong
LY. Impact of folic
acid fortification of the
**Persad VL, Van den Hof MC, Dube JM and Zimmer P. Incidence
of open neural tube defects in
Ray JG, Meier C, Vermeulen
MJ, Boss S, Wyatt PR, Cole DE. Association of neural tube defects and folic acid food
Safety issues in folic acid supplementation
Butterworth CE Jr and Tamura T. Folic acid safety and toxicity: a brief review. Am J Clin Nutr 1989; 50: 353-8.
** These articles are not included in this packet; they are among the references provided by Johnson & Johnson in their briefing book.