Hashim, Abdalsattar Kareem, and Fadhil Khaddam Fuliful. “Lung Cancer Risk Due to Radon in Different Brand Cigarette Tobacco in Iraqi Market”. Asian Journal of Applied Sciences 5, no. 3 (June 16, 2017). Accessed April 27, 2024. https://www.ajouronline.com/index.php/AJAS/article/view/4768.