Olanzapine versus divalproex versus placebo in the treatment of mild to moderate mania: a randomized, 12-week, double-blind study. by Tohen, M, Vieta, E, Goodwin, G, Sun, B, Amsterdam, J, Banov, M, Shekhar, A, Aaronson, S, Bardenstein, L, Grecu-Gabos, I, Tochilov, V, Prelipceanu, D, Oliff, H, Kryzhanovskaya, L, Bowden, C