Hamza, A. ., A. Wahid, A. . Bari, M. . Azam, and A. . Bakhsh. “Diabetes Mellitus As a Risk Factor for Lung Cancer: A Systematic Review and Meta-Analysis”. Pakistan Journal of Chest Medicine, vol. 30, no. 1, Mar. 2024, pp. 108-22, https://pjcm.net/index.php/pjcm/article/view/956.