M. T. Rahman, T. T. Sajani, R. Sultana, S. R. Choudhury, and M. M. R. Siddiqui, “Prostate Specific Antigen (PSA): Normal Reference Value in Bangladeshi Male, a Retrospective PSA Analysis of 765 Male”, Anwer Khan Mod Med Coll J, vol. 5, no. 1, pp. 19–22, May 2014.