Zabalza, R. , Múgica, I. , Sistiaga, F., Garrido, A., Emparanza, J.I. and Zubillaga, P. 2014. Assessment of Vitamin D Supplementation in People with Intellectual Disability . Journal of Intellectual Disability - Diagnosis and Treatment. 2, 1 (May 2014), 46–53. DOI:https://doi.org/10.6000/2292-2598.2014.02.01.6.