Kittinukulkit, A., Kanjanapayak, B., Chaypan, N., Lamthong, S., Reungpoka, P. and Pangkul, A. 2008. Prostate-specific antigen (PSA) cutoff for improves clinical judgment before the decision to repeat prostate biopsy. Insight Urology. 29, 1 (Jun. 2008), 13–19.