Z. KHERADMAND, B. YARALI, A. ZARE, Z. POURPAK, S. SHAMS, and M. R. ASHRAFI, “Comparison of Serum Zinc and Copper levels in Children and adolescents with Intractable and Controlled Epilepsy”, Iran J Child Neurol, vol. 8, no. 3, pp. 49–54, Jul. 2014.