Esteves, Sandro. “Increasing Awareness About Male Infertility: An Overview of the Sperm DNA Fragmentation Study Group (SFRAG) Guidelines ”. Société Internationale d’Urologie Journal 2, no. 2 (March 13, 2021): 129–132. Accessed May 14, 2024. https://siuj.org/index.php/siuj/article/view/100.