Comparison between Sperm Preparation before Cryopreservation and Post-Thawing Sperm Preparation using Density Gradient Centrifugation in Normozoospermic Semen Samples. J Infertil Reprod Bio. 2022;10(2):19-21. Accessed February 4, 2026. https://doormaj.com/index.php/jirb/article/view/69