Cannabidiol was ineffective for manic episode of bipolar affective disorder - Zuardi, Antonio Waldo; Crippa, José Alexandre de Souza; Dursun, S. M.; Morais, S. L.; Vilela, J. A. A.; Sanches, R. F.; Hallak, Jaime Eduardo Cecílio (Journal of Psychopharmacology, 2008)