Al-Dujaily, Saad S., and May Abdul-Kareem Aburgheef. “Correlation Between in Vitro Sperm Preparation Techniques, Endometrial Thickness, Hormonal Profile and Successful Pregnancy Rate Following IUI: Retrospective and Prospective Study”. Iraqi Journal of Embryos and Infertility Researches, vol. 2, no. 2, Dec. 2012, pp. 9-14, https://doi.org/nan.