Early improvement of psychotic symptoms with lithium monotherapy as a predictor of later response in mania - Sousa, Rafael T. de; Busnello, Joao V.; Forlenza, Orestes V.; Zanetti, Marcus V.; Soeiro-de-Souza, Marcio G.; van de Bilt, Martinus T.; Moreno, Ricardo A.; Zarate Jr., Carlos A.; Gattaz, Wagner F.; Machado-Vieira, Rodrigo (Journal of Psychiatric Research, 2012)