Uzma Bukhari, Anita George, Yusra Shafique, and Asma Bukhari. “Prostatic Carcinoma: Frequency, Pattern and Evaluation of Gleason Grading in Prostate Biopsies”. Pakistan Journal of Medical Research, Vol. 59, no. 2, Sept. 2020, pp. 55-59, https://pjmr.org.pk/index.php/pjmr/article/view/111.