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Wiggins, Lisa D.; Rice, Catherine E.; Baio, Jon – Autism: The International Journal of Research and Practice, 2009
This study evaluated the phenomenon of autistic regression using population-based data. The sample comprised 285 children who met the autism spectrum disorder (ASD) case definition within an ongoing surveillance program. Results indicated that children with a previously documented ASD diagnosis had higher rates of autistic regression than children…
Descriptors: Autism, Children, Child Development, Disability Identification