Brown, K., Lubin, B., Smith, R., & Oski, F.Prevalence of anemia among pre-adolescent and young adolescent urban black Americans. Journal of Pediatrics, 1972 , 81, 714-718.
2.
Knights, R. M., & Hinton, G.G.The effect of methylpenidate (Ritalin) on motor skills and behavior of children with learning problems. Journal of Nervous and Mental Disease, 1969, 148, 643-653.
3.
Millichap, J. G., Aymat, F., Sturgis, L., Larsen, K., & Egan, R. Hyperkinetic behavior and learning disorders. American Journal of Disease of Children, 1968, 116, 235-244.
4.
Pearson, H.A., McLean, F.W., & Brigety, R.E.Anemia related to age, study of a community of young black Americans . Journal of the American Medical Association, 1971, 215, 1972.
5.
Peterson, D. R. Behavior problems of middle childhood. Journal of Consulting Psychology, 1961, 25, 205.
6.
Quay, H. C., & Quay, L.Behavior problems in early adolescence. Child Development , 1965, 36, 215.
7.
Scheffe, H.The analysis of variance. New York: Wiley, 1959.
8.
Webb, T. E., & Oski, F.A.Iron deficiency anemia may affect scholastic achievement in young adolescents. Journal of Pediatrics, 1973, 82, 827-829.