Meguid, N. A., H. M. Atta, L. A. Rashed, A. S. Gouda, R. O. Khalil, and A. F. Hashish. “Autism and Fragile X: Is There a Neurochemical Link?”. Open Access Macedonian Journal of Medical Sciences, vol. 2, no. 4, Dec. 2014, pp. 551-6, doi:10.3889/oamjms.2014.099.