Hana Abdul-Qader Khuder. “Review Article: Androgen Hormone and Male Infertility”. International Journal for Research in Applied Sciences and Biotechnology 8, no. 1 (February 13, 2021): 168-174. Accessed January 27, 2022. https://www.ijrasb.com/ojs/index.php/ojs-ijrasb/article/view/261.