(2005) Apiquian, R.; Fresan, A.; Ulloa, R.E.; De la Fuente-Sandoval, C.; Herrera-Estrella, M.; Vazquez, A.; Nicolini, H.; Kapur, S.; Department of Psychiatry, National Institute of Neurology and Neurosurgery Manuel Velasco Suarez, Av. Insurgentes Sur 3877, Mexico City, 14296 Mexico.; rogelioapiquian@yahoo.com.mx
