Olanzapine versus placebo in the treatment of psychosis with or without associated behavioral disturbances in patients with Alzheimer's disease. - De,PP.Deyn.; Carrasco,MM.; Deberdt,W.; Jeandel,C.; Hay,DP.; Feldman,PD.; Young,CA.; Lehman,DL.; Breier,A. (Int J Geriatr Psychiatry, 2004)