Journal of Autism and Developmental Disorders (2008) - Comment
pubmed: 17879152  doi: 10.1007/s10803-007-0446-5  issn: 0162-3257  issn: 1573-3432 

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Antoinette A. Spek, Evert M. Scholte, Ina A. Van Berckelaer-Onnes