Aliyev, N. A., and Z. N. Aliyev. “A Double-Blind Placebo-Controlled Trial of Levetiracetam for Global Severity in Child Autism Spectrum Disorders”. International Journal of Innovative Research in Medical Science, vol. 3, no. 10, Oct. 2018, p. 2248 to 2252, doi:10.23958/ijirms/vol03-i10/455.