AL- barzanchi, mundhir T., et al. “Women Age and Embryo Implantation Following Intracytoplasmic Sperminjection and Embryo Transfer in Infertile Patients”. Journal of the Faculty of Medicine Baghdad, vol. 48, no. 2, July 2006, pp. 155-61, https://doi.org/10.32007/jfacmedbagdad.4821528.