Measuring Pervasive Developmental Disorders in Children and Adolescents with Mental Retardation: A Comparison of Two Screening Instruments Used in a Study of the Total Mentally Retarded Population from a Designated Area
Annelies de Bildt, Sjoerd Sytema, Cees Ketelaars, Dirk Kraijer, Fred R. Volkmar, Ruud B. Minderaa
Abstract