J. Ali, M. Faheem, A. M. Gul, S. ., and M. Hafizullah, “Frequency of Tobbaco use in Different Occupational Groups of Peshawar”, Int J Pathol, pp. 9–12, Nov. 2018, Accessed: Apr. 30, 2025. [Online]. Available: https://www.jpathology.com/index.php/OJS/article/view/99