1. Abel, E. L., and Sokol R. J. Incidence of fetal alcohol syndrome and economic impact of FAS-related anomalies. Drug and Alcohol Dependence, 1987, 19, 51–79.
2. Accardo, P. J., and Capute, A. J. The Pediatrician and the Developmentally Delayed Child: A Clinical Textbook on Mental Retardation. Baltimore: University Park Press, 1979. American Psychiatric Association. Diagnostic and Statistical Manual of Mental Disorders (DSM III). Washington, D.C., APA, 1980.
3. Anderson, V. E., Siegel, F. S., Fisch, R. O., and Wirt, R. D. Responses of Phenylketonurie children on a continuous performance test. Journal of Abnormal Psychology, 1969, 74, 358–362.
4. Apgar, V. A proposal for a new method of evaluation of the newborn infant. Current Researches in Anesthesia and Analgesia, 1983, 32, 260–267.
5. Bayley, N. Manual for the Bayley Scales of Infant Development. New York: Psychological Corporation, 1969.