title: [New knowledge does not always make it simpler].
authors.affiliation: Frambu senter for sjeldne funksjonshemninger, 1404 Siggerud. egil.ruud@frambu.no
authors.forename: Egil
authors.initials: E
authors.lastname: Ruud
authors.forename: Arvid
authors.initials: A
authors.lastname: Heiberg
mesh_terms: D005260:Female; D005600:Fragile X Syndrome / Q000235:genetics*; D006801:Humans; D008607:Intellectual Disability / Q000235:genetics*; D019359:Knowledge; D008297:Male