title: Pervasive developmental disorders in multiply disabled children.
mesh_terms: D001321:Autistic Disorder / Q000175:diagnosis; D002648:Child; D002659:Child Development Disorders, Pervasive / Q000175:diagnosis / Q000453:epidemiology / Q000534:rehabilitation; D005260:Female; D006801:Humans; D008297:Male; D009658:North Dakota