Patel, Dr. Ketan. “A Study on Effects of Severity of Cigarette Smoking On Lung Functions of Adult Population in North Gujarat Region: A Study on Effects of Severity of Cigarette Smoking On Lung Functions”. National Journal of Integrated Research in Medicine 5, no. 6 (January 7, 2018): 39–43. Accessed November 22, 2024. https://nicpd.ac.in/ojs-/index.php/njirm/article/view/826.