Al-Khzaly, Alaa Mahdy Abied, and Haider Saleh Jeffat Al-Shafiey. 2010. “The Effect of Smoking in Different Durations on Some of the Fertility Parameters for the Patients Attending an Infertility Center of Al-Sader Teaching Hospital in Governorate of Al- Najaf AL-Ashraf”. Al-Kufa University Journal for Biology 2 (1). https://journal.uokufa.edu.iq/index.php/ajb/article/view/7883.