L Burd1, W Fisher, J Kerbeshian
1Child Evaluation & Treatment Program, Medical Center Rehabilitation Hospital, Grand Forks, N.D. 58201.
Childhood Onset Pervasive Developmental Disorder (COPDD) may be a distinct diagnosis. Researchers propose a new category, pervasive disintegrative disorder, for children with severe autistic symptoms, profound intellectual disability, and mutism.
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