Y, D., S. Manthanraj, and S. Vishwanath. “Changing Trends in Clinico-Epidemiological Profile of Lung Cancer in Patients of South India”. International Journal of Health and Clinical Research, vol. 4, no. 4, Feb. 2021, pp. 88-92, https://ijhcr.com/index.php/ijhcr/article/view/974.