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