Mehrabi, S., Ghafarian Shirazi, H., Rasti, M. and Bayat, B. (2009) “Analysis of Serum Prostate-Specific Antigen Levels in Men Aged 40 Years and Older in Yasuj, Iran”, Urology Journal, 2(4), pp. 189–192. doi: 10.22037/uj.v2i4.222.