Alargkof, Viktor, Larissa Kersten, Romil Stanislavov, Zdravko Kamenov, and Panagiotis Nikolinakos. “Relationships Between Sperm DNA Integrity and Bulk Semen Parameters in Bulgarian Patients With Varicocele”. Archivio Italiano di Urologia e Andrologia 91, no. 2 (July 2, 2019). Accessed June 2, 2020. https://www.pagepressjournals.org/index.php/aiua/article/view/aiua.2019.2.125.