Salvaña, J. ., J. K. San Jose, N. Magsanoc, and D. Lusaya. “Predictive Factors of Sperm Retrieval in Non-Obstructive Azoospermia Using Conventional Testicular Sperm Extraction (TESE) - A Retrospective, Single Center Study”. Philippine Journal of Urology, vol. 28, no. 1, Mar. 2020, pp. 80-84, https://pjuonline.com/index.php/pju/article/view/69.