Molecular and cytogenetic analysis of th
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Perroni, L.; Grasso, M.; Argusti, A.; Nigro, C. Lo; Croci, G. F.; Zelante, L.; G
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Article
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1996
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John Wiley and Sons
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English
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We report on a series of 453 mentally retarded subjects investigated for fragile X syndrome from 1982 to July 1995. The 22% rate of efficiency of FRAX positivity indicated a significant preselection by the c h icians. However, this rate dropped to ll% in the last year. Since 1992, Southern blot anal