Khan, Muhammad Ahmed, Sumera Akram, Hassan Bin Usman, and Attique Ahmed. 2015. “EFFECT OF MILITARY DEPLOYMENT IN OPERATIONAL AREA ON THE TREND OF SMOKING AMONG TROOPS: Military Deployment and Trend of Smoking”. Pakistan Armed Forces Medical Journal 65 (4): 520-23. https://www.pafmj.org/PAFMJ/article/view/1002.