1Davies K,Breaking the fragile X Human genetics,1991,351:439.
2Verkerk AJMH,Pieretti M,Sutcliffe JS,et al.Identification of a gene (FMR-1) containing a CGG repeat coincident with a breakpoint cluster region exhibiting length variation in fragile X syndrome.Cell,1991,65:905.
3Kremer EJ,Pritchard M,Lynch M et al.Mapping of DNA instability at the fragile X to trinucleotide repeat sequrnce P (CCG)n,Science,1991,252:1711.
4FU YH,Kuhl DPA,Pizzuti A,et al.Variation of the CGG repeat at the fragile X Site results in genetic instability resolution of the sherman paradox.Cell,1991,67:1047.
5Rousseau F,Heitz D,Biancalana V,et al.On some technical aspects of direct DNA diagnosis of the fragile X syndrome.Am J Med Genet,1992,43:197.
