5MOY R J. Prevalence, consequences and prevention of childhood nutritional iron deficiency: a child public health perspeetive [ J ]. Clin Lab Haematol, 2006, 28 (5) : 291 -298.
6METALLINOS KATSARAS E, VALASSI ADAM E, DEWEY K G, et al. Effect of iron supplementation On cognition in Greek pre- schoolers[ J]. Eur J Clin Nutr, 2004, 58 ( 11 ) : 1532 - 1542.