Badar, A., B. Khilwani, N. K. Lohiya, and A. S. Ansari. “Etiology of Male Infertility: A Review”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, vol. 11, no. 8, July 2022, pp. 2320-8, doi:10.18203/2320-1770.ijrcog20221963.