Down Syndrome -- Information and Its Definition - Down Syndrome Help
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2012-08-26
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http://www.downsyndromehelp.org
Down Syndrome -- Details and Its Definition.Down syndrome (DS), also named Trisomy 21, is a condition in which extra genetic material causes delays in the way a child develops, each mentally and physically. Get more info about down's syndrome.
Down Syndrome -- Details and Its Definition.Down syndrome (DS), also named Trisomy 21, is a condition in which extra genetic material causes delays in the way a child develops, each mentally and physically. Get more info about down's syndrome.
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