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Peer reviewedMcLaren, Jennifer; Bryson, Susan E. – American Journal of Mental Retardation, 1987
Recent epidemiological studies of mental retardation were critically reviewed, and data on prevalence, associated disorders, and etiology examined. Results indicated that there was a prevalence for both severe and mild retardation of 3 to 4 per 1000, that a wide range of disorders were associated with mental retardation, and that etiology is often…
Descriptors: Epidemiology, Etiology, Incidence, Mental Retardation
