Fact Sheet: Mental Retardation « http://www.nichcy.org/pubs/factshe/fs8txt.htm | | Definition , causes , diagnosis , and information from the national information center for children and youth with disabilities. |
KidsHealth: Mental Retardation « http://www.kidshealth.org/kid/health_problems/birth_defect/mental_retardation.html | | Provides a definition , suspected causes , and what life is like for someone who is mentally retarded. |
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