Barkley, R. A. (1990). Attention deficit hyperactivity disorder: A handbook for diagnosis and treatment. New York: Guilford Press.
2.
Needleman, H. L., Gunnoe, C., Leviton, A., Reed, R., Peresie, H., Maher, C., & Barrett, P. (1979). Deficits in psychologic and classroom performance of children with elevated dentine lead levels. New England Journal of Medicine, 300, 689-695.
3.
Pelham, W. E., & Bender, M. E. (1982). Peer relationships in hyperactive children: Description and treatment. In K. D. Gadow & I. Bailer (Eds.), Advances in learning and behavioral disabilities (Vol. 1). Greenwich, CT: JAI Press.
4.
Ullman, R. K. (1985). ACTeRS useful in screening learning disabled from attention deficit disorderd (ADD-H) children. Psychopharmacology Bulletin, 21, 339-344.
5.
Ullman, R. K., & Sleator, E. K. (1985). Attention deficit disorder children with or without hyperactivity. Clinical Pediatrics, 24, 547-551.
6.
Ullman, R. L., & Sleator, E. K. (1986). Responders, nonresponders, and placebo responders among children with attention deficit disorder: Importance of a blinded placebo evaluation. Clinical Pediatrics, 25, 594-599.