López-González B, Pernas-Cortiñas ML. Fragile X syndrome, beginning of Communication and Language. R Est Inv Psico y Educ [Internet]. 2015 Nov. 23 [cited 2024 May 2];(09):015-8. Available from: https://revistas.udc.es/index.php/reipe/article/view/reipe.2015.0.09.135