Rahman, Md Tahminur, et al. “Prostate Specific Antigen (PSA): Normal Reference Value in Bangladeshi Male, a Retrospective PSA Analysis of 765 Male”. Anwer Khan Modern Medical College Journal, vol. 5, no. 1, May 2014, pp. 19-22, doi:10.3329/akmmcj.v5i1.18766.