Swartz MS, Wagner HR, Swanson JW, Stroup TS, McEvoy JP, McGee M, Miller DD, Reimherr F, Khan A, Ca?ive JM, Lieberman JA. Substance use and psychosocial functioning in schizophrenia among new enrollees in the NIMH CATIE study. Psychiatr Serv. 2006 Aug; 57(8):1110-6.