“Comparison of Prostate Specific Antigen and Prostate Specific Antigen Density for Predicting the Degree of Gleason Score of Prostate Cancer”. Journal of Analytical Oncology 4, no. 1 (January 9, 2015):  39–43. Accessed July 7, 2026. https://www.neoplasiaresearch.com/index.php/jao/article/view/241.