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 (Apr. 2009), 189–192. DOI:https://doi.org/10.22037/uj.v2i4.222.