AU - Pfefferbaum A, Ford JM, White PM, Roth WT TI - P3 in schizophrenia is affected by stimulus modality, response requirements, medication status, and negative symptoms PT - JOUR DP - 1989 TA - Archives of General Psychiatry pages = {1035-1044}, VI - 46 IP - 11 AID - 10.1001/archpsyc.1989.01810110077011 [doi] 4100 - http://dx.doi.org/10.1001/archpsyc.1989.01810110077011 SO - Archives of General Psychiatry November 1, 1989 46(11):1035