7Black MM. Micronutrient deficiencies and cognitive functioning[J]. J Nutr, 2003, 133(Suppl):3927S-3931S
8Benton D. Micronutrient supplementation and the intelligence of children[J]. Neurosci Biobehav Rev, 2001, 25(4): 297-309
9Hurtado EK, Claussen AH, Scott KG. Early childhood anemia and mild and moderate mental retardation [J]. Am J Clin Nutr, 1999,69(1):115-119
10Halterman JS, Kaczorowski JM, Aligne CA, et al. Iron deficiency and cognitive achievement among school-aged children and adolescents in the United States [J]. Pediatrics,2001, 107(6):1381-1386