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Mandell DS, Ittenbach RF, Levy SE, Pinto-Martin JA.Mandell DS, et al.J Autism Dev Disord. 2007 Oct;37(9):1795-802. doi: 10.1007/s10803-006-0314-8. Epub 2006 Dec 8.J Autism Dev Disord. 2007.PMID: 17160456Free PMC article.