Dissociation between mental retardation
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M. A. Voelckel; M. G. Mattei; C. N'Guyen; N. Philip; F. Birg; J. F. Mattei
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Article
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1988
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Springer
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English
β 508 KB
We report an extended family in which two brothers with a fragile X chromosome are mentally retarded while a third brother with the fragile site is both phenotypically and mentally normal. The study of six probes detecting restriction fragment length polymorphisms on either sides of the fragile site