1.
The Enhancement of Sperm Retrieval Rate in Cases of Non-Obstructive Azoospermia Via Collagenase IV Enzyme Treatment in Combination with Mechanical Extraction. Int. J. Emerg. Trends Sci. Technol. 2015;2(06). Accessed October 24, 2026. https://ijetst.in/index.php/ijetst/article/view/731