ALHWANI, A.; ASHRAF BAKKAR, M. H. A. D. The Enhancement of Sperm Retrieval Rate in Cases of Non-Obstructive Azoospermia Via Collagenase IV Enzyme Treatment in Combination with Mechanical Extraction. International Journal of Emerging Trends in Science and Technology, [S. l.], v. 2, n. 06, 2015. Disponível em: http://igmpublication.com/ijetst.in/index.php/ijetst/article/view/731. Acesso em: 31 jan. 2025.