Safdar, Saira, et al. “AMELIORATING EFFECT OF ZINC ON PROTEIN SUPPLEMENT INDUCED DNA AND SPERM DAMAGE IN MALE SPRAGUE DAWLEY RATS”. Pakistan Journal of Physiology, vol. 17, no. 3, Sept. 2021, pp. 22-26, https://pjp.pps.org.pk/index.php/PJP/article/view/1355.