1)Turner G., et al. Preventive screening for the fragile X syndrome.N. Eng. J. Med. 31 5:607-609,1986
2)Fu Y.H., et al. Variation of the CGG repeat at the fragile X site results in genetic instability: resolution of Sharmen paradox. Cell 67:1 047-1058,1991
3)Kremer E.J., et al. Mapping of DNA instability at the fragile X to a trinucleotide repeat sequence p(CGG)n. Science 252:1711-1714,1991
4)Knight S.J.L., et al. Trinucleotide repeat amplification and hypermethylation of a CpG island in FRAXE mental retardation. Cell 74:127-1 34,1993
5)Chong S., et al. Robst amplification and ethidium-visible detection of the Fragile X syndrome CGG repeat using Pfu polymerase. Am. J. Med. Genet. 51:522-526,1994
6)Knight S.J.L., et al. A study of FRAXE in in mentally retarded individuals referred for Fragile X syndrome (FRAXA) testing in the United Kingdom. Am. J. Hum. Genet. 58:906-913,1996
7)Rousseau F., et al. Direct diagnosis by DNA analysis of the Fragile X syndrome of mental retardation. N. Engl. J. Med.325:1673-1681,1991
8)Foster-Iskenius U., et al. Screening for fra(X)(q) in a popuration of mentally retarded males. Hum. Genet. 63:1 53-157,1983
9)Blomquist H.K., et al. Fragile X syndrome in mildly mentally
