Ridha-Barzanchi, Mundhir T., et al. “Embryo Implantation In Intracytoplasmic Sperm Injection-Stimulated Cycle Using Testicular And Epididymal And Ejaculated Sperm From Azoospermic, And Severely- Teratospermic Men”. Journal of the Faculty of Medicine Baghdad, vol. 48, no. 3, Oct. 2006, pp. 313-9, https://doi.org/10.32007/jfacmedbagdad.4831508.