Omranifard, V.; Rajabi, F.; Mohammadian-Sichani, M.; Reza-Maracy, M. The Effect of Add-on Memantine on Positive, Negative and Depressive Symptoms of Schizophrenia: A Doubleblind, Randomized, Controlled Trial. Actas Esp Psiquiatr 2017, 45, 107-115.