Mohammadi, M., S. Mohammadzadeh, and S. Akhondzadeh. “Memantine Versus Methylphenidate in Children and Adolescents With Attention Deficit Hyperactivity Disorder: A Double-Blind, Randomized Clinical Trial”. Iranian Journal of Psychiatry, Vol. 10, no. 2, Feb. 2016, pp. 106-14, http://ijps.tums.ac.ir/index.php/ijps/article/view/391.