AL- barzanchi, mundhir T., Mohammed Al.Noami, Saeeda Al.anssari, and fouad Al-Janabi. 2006. “the Effect of Material Serum Concentration on in Vitro Sperm Activation and Pregnancy Rate in Infertile Patients”. Journal of the Faculty of Medicine Baghdad 47 (4): 398-402. https://doi.org/10.32007/jfacmedbagdad.4741598.