AL- barzanchi, mundhir T., Al.Noami, M., Al.anssari, S., & Al-Janabi, fouad. (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