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Friday, July 1, 2011

Autism Spectrum Disorder (Pervasive Developmental Disorder)

Autism Spectrum Disorder (Pervasive Developmental Disorder)
at Chemical eLibrary

chemical elibrary free engineering books


"The autism spectrum disorders can often be reliably detected
by the age of 3 years, and in some cases as early as 18 months.2
Studies suggest that many children eventually may be accurately
identified by the age of 1 year or even younger. The appearance of
any of the warning signs of ASD is reason to have a child evaluated
by a professional specializing in these disorders.......

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