Ullah, Irfan, Muhammad Zahid, Muhammad Jawad, and Aatik Arsh. “Assessment of DNA Damage and Oxidative Stress among traffic Conductors and Coal Miners”. Pakistan Journal of Medical Sciences 37, no. 2 (February 3, 2021). Accessed April 19, 2024. https://pjms.org.pk/index.php/pjms/article/view/2848.