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Chaidez, Virginia; Hansen, Robin L.; Hertz-Picciotto, Irva – Journal of Autism and Developmental Disorders, 2014
To compare gastrointestinal (GI) problems among children with: (1) autism spectrum disorder (ASD), (2) developmental delay (DD) and (3) typical development (TD), GI symptom frequencies were obtained for 960 children from the CHildhood Autism Risks from Genetics and Environment (CHARGE) study. We also examined scores on five Aberrant Behavior…
Descriptors: Children, Autism, Pervasive Developmental Disorders, Developmental Delays
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Grether, Judith K.; Rosen, Nila J.; Smith, Karen S.; Croen, Lisa A. – Journal of Autism and Developmental Disorders, 2009
We investigated if shifts in the coding of qualifying conditions in the California Department of Developmental Services (DDS) have contributed to the increase in California children with autism observed in recent years. Qualifying condition codes for mental retardation (MR) and autism in DDS electronic files were compared to hard-copy records for…
Descriptors: Mental Retardation, Autism, Eligibility, Children