Ismail. A. Abdul-Hassan2G. H. . “FAS and FASL Genes Polymorphisms and Their Relationship With the Incidence of Severe Oligozoospermia in a Sample of Iraqi Patients.”. Iraqi Journal of Biotechnology, Vol. 16, no. 4, Nov. 2018, https://jige.uobaghdad.edu.iq/index.php/IJB/article/view/157.