title: [(Fra)X in male cousins with mental retardation].
mesh_terms: D002675:Child, Preschool; D005600:Fragile X Syndrome / Q000175:diagnosis / Q000235:genetics*; D006801:Humans; D008607:Intellectual Disability / Q000235:genetics*; D007621:Karyotyping; D008297:Male; D010375:Pedigree; D012729:Sex Chromosome Aberrations / Q000235:genetics*
vernacular_title: (Fra)X u ciotecznych braci z niedorozwojem umysłowym.