3Keating JN. et al.Folic Acid: effect on zine absorption in humans and in the rat. The American Journal of Clinical Nutrition . 1987
4Wilson PC,et al.The effect of folic acid on the intestinal absorption of zine. Clinician Reviews . 1983
5Meadows NJ.et al.Zinc and small bables. The Lancet . 1981
6Ghishan FK,et al.Intestinal transport of zinc and folic acid: a mutual inhibition effect. Ibis . 1986
7Shapiro S,et al.Relevance of correlates of infant deaths for significant morbidity 1 year of age. American Journal of Obstetrics and Gynecology . 1980