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Title: What disorder is the most frequent cause of mental retardation? Post by: Jessica_doll on Jul 29, 2016 What disorder is the most frequent cause of mental retardation?
A) Tay-Sachs disease B) Klinefelter's syndrome C) sickle-cell anemia D) Down syndrome Title: Re: What disorder is the most frequent cause of mental retardation? Post by: luciano on Aug 11, 2016 Content hidden
Title: Re: What disorder is the most frequent cause of mental retardation? Post by: Jessica_doll on Aug 19, 2016 :heart: Thanks
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