2Looker AC,Dallman PR,Carroll MD,et al.Prevalence of iron deficiency in the United States.JAMA,1997,277:973-976
3Halterman JS,Kaczorowski JM,Aligne CA,et al.Iron deficiency and cognitive achievement among school-aged children and adolescents in the United States.Pediatrics,2001,107:1 381-1 386
4Pollitt E.Early iron deficiency anemia and later mental retardation.Am J Clin Nutr,1999,69:45
5WHO.Technical Report Series No 405.Nutritional Amemia.Geneva,1972
8Stoltzfus RJ,Chwaya HM,Tielsch JM,et al.Epidemiology of iron deficiency anemia in Zanzibari school children:the importance of hookworms.Am J Clin Nutr,1997,65:153-159
6Looker AC, Dallman PR, Carroll MD, et al. Prevalence of iron deficiency in the United States. JAMA, 1997, 277: 973-976.
7Halterman JS, Kaczorowski JM, Aligne CA, et al. Iron deficiency and cognitive achievement among school-aged children and adolescents in the United States. Pediatrics, 2001, 107: 1381-1386.
8Pollitt E. Early iron deficiency anemia and later mental retardation. Am J Clin Nutr, 1999, 69: 4-5.
9Stoltzfus RJ, Chwaya HM, Tielsch JM, et al. Epidemiology of iron deficiency anemia in Zanzibari schoolchildren: the importance of hookworms. Am J Clin Nutr, 1997, 65: 153-159.
10Kohli-Kumar M. Screening for anemia in children: AAP recommendations--a critique. Pediatrics, 2001, 108: E56.