MohammadSajjad,ShabbirHussian,SajjadAhmad,  MohammadSajjad,ShabbirHussian,SajjadAhmad,. 2018. “Histopathological Pattern of Testicular Biopsy in Male Azoospermics”. Journal of Rawalpindi Medical College 22 (4). https://journalrmc.com/index.php/JRMC/article/view/955.