title: [Fragile X syndrome--the most frequent hereditary type of mental retardation].
authors.forename: K B
authors.initials: KB
authors.lastname: Nielsen
authors.forename: K H
authors.initials: KH
authors.lastname: Gustavson
mesh_terms: D000293:Adolescent; D005600:Fragile X Syndrome / Q000175:diagnosis / Q000453:epidemiology* / Q000235:genetics; D006801:Humans; D008607:Intellectual Disability / Q000453:epidemiology; D008297:Male; D010375:Pedigree; D012729:Sex Chromosome Aberrations / Q000453:epidemiology*
vernacular_title: Fragilt X syndrom--den hyppigste arvelige form for mental retardering.