L. H. Al-Azzawy, “The Impact of Cigarette Smoking on Levels of Sex Hormones and Zinc in Blood of Smokers”, IHJPAS, vol. 24, no. 2, May 2017, Accessed: Jun. 21, 2026. [Online]. Available: https://jih.uobaghdad.edu.iq/index.php/j/article/view/771