The performance of prostate specific antigen for predicting prostate cancer is maintained after a prior negative prostate biopsy.
Thompson IM, Tangen CM, Ankerst DP, Chi C, Lucia MS, Goodman P, Parnes H, Coltman CA. The performance of prostate specific antigen for predicting prostate cancer is maintained after a prior negative prostate biopsy. J Urol. 2008 Aug; 180(2):544-7.