CH., Raju, and Ravindranath M. “A Study of the Relative Bronchodilator Responsiveness in Smoker Asthmatics”. International Journal of Advances in Medicine 3, no. 2 (January 2, 2017): 332–337. Accessed October 9, 2025. https://www.ijmedicine.com/index.php/ijam/article/view/187.