title: Fragile X syndrome: a major cause of X-linked mental retardation.
authors.affiliation: Vanderbilt University, School of Medicine, Nashville, TN.
authors.forename: M G
authors.initials: MG
authors.lastname: Butler
mesh_terms: D005600:Fragile X Syndrome / Q000235:genetics*; D008040:Genetic Linkage; D006801:Humans; D008607:Intellectual Disability / Q000235:genetics*; D008297:Male; D012729:Sex Chromosome Aberrations / Q000235:genetics*; D014960:X Chromosome