title: Fragile X syndrome: an important preventable cause of mental handicap.
mesh_terms: D005600:Fragile X Syndrome / Q000150:complications* / Q000517:prevention & control; D005817:Genetic Counseling; D006801:Humans; D008607:Intellectual Disability / Q000235:genetics* / Q000517:prevention & control; D008403:Mass Screening; D012729:Sex Chromosome Aberrations / Q000150:complications*