Lavadia, Alvin Christopher D., Dennis G. Lusaya, Nikko J. Magsanoc, and Virgilio M. Novero Jr. 2022. “Outcomes of Surgical Sperm Retrieval for Non-Obstructive Azoospermia: A Single-Center Experience”. Philippine Journal of Urology 32 (2). https://pjuonline.com/index.php/pju/article/view/150.