J. . Salvaña, 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”, PJU, vol. 28, no. 1, pp. 80-84, Mar. 2020.