Age-related language characteristics of
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Fisch, Gene S.; Holden, Jeanette J.A.; Carpenter, Nancy J.; Howard-Peebles, Patr
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Article
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1999
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John Wiley and Sons
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English
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In addition to moderate-to-severe mental retardation (MR), the fragile X [fra(X)] mutation produces significant impediments in speech and language. Severe delays in speech and language have been demonstrated in both adult males and young individuals with the fra(X) mutation. Having observed longitud