1. Alessi NE, Wittekindt J. Childhood aggressive behavior. Pediatr Ann. 1989;18(2):94–101.
2. American Academy of Pediatrics. Guidelines for
Health Supervision II. AAP Elk Grove Village, III; 1988.
3. American Psychiatric Association. Diagnostic and
Statistical Manual of Mental Disorders. 3rd ed. Washington DC: American Psychiatric Association; 1987.
4. Behramn RE, Vaughan VC, Nelson WE, eds. Nelson’s
Textbook of Pediatrics. 13th ed. Philadelphia, Penn: WB Saunders; 1987:6–112.
5. Buskirk DV. School phobia and school refusal. In: Dershewitz RA, ed. Ambulatory Pediatric Care. Philadelphia, Penn: JB Lippincott Co; 1988:180–183.