Effectiveness of antipsychotic drugs in patients with chronic schizophrenia - Lieberman, J. A; Stroup, T. S; McEvoy, J. P; Swartz, M. S; Rosenheck, R. A; Perkins, D. O; Keefe, R. S; Davis, S. M; Davis, C. E; Lebowitz, B. D; Severe, J; Hsiao, J. K; Clinical Antipsychotic Trials of Intervention Effectiveness (CATIE) Investigators (N Engl J Med, 2005)