title: Fragile X-linked mental retardation, a new entity: case reports.
mesh_terms: D000293:Adolescent; D000328:Adult; D005600:Fragile X Syndrome / Q000175:diagnosis / Q000235:genetics*; D006801:Humans; D008607:Intellectual Disability / Q000175:diagnosis / Q000235:genetics*; D008297:Male; D012729:Sex Chromosome Aberrations / Q000235:genetics*