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
作者
Annelies de Bildt,Sjoerd Sytema,Cees Ketelaars,Dirk Kraijer,Fred R. Volkmar,Ruud B. Minderaa