| http://www.w3.org/ns/prov#value | - The causes, symptoms, etiology, treatment, and other issues are controversial.\n \nAutism manifests itself before the age of three years" according to the WHO\'s International Classification of Diseases (ICD-10) Children with autism are marked by delays in their "social interaction, language as used in social communication, or symbolic or imaginative play (Diagnostic and Statistical Manual of Me
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