“Comparative study between the influence of processed and unprocessed semen prepared by conventional layering and centrifugation technique in infertile patients after intra-uterine insemination performance”, UTJsci, vol. 2, no. 3, pp. 8–19, Sep. 2010, Accessed: May 13, 2024. [Online]. Available: http://jsci.utq.edu.iq/index.php/main/article/view/477