astañeda-Ibáñez, N. N. C., and M. R. . Acosta-Barreto. “Mucopolysaccharidosis II, IV-A and VI: First Colombian Neuropsychological Characterization”. Journal of Intellectual Disability - Diagnosis and Treatment, vol. 4, no. 1, Mar. 2016, pp. 63-73, doi:10.6000/2292-2598.2016.04.01.8.