Piryani, R. M. and Piryani, S. (2023) “COPD in Non-Smokers in South Asia: An Under Estimated and Unrecognized Condition”, Journal of Liaquat University of Medical & Health Sciences, 22(03), p. 154. Available at: http://ojs.lumhs.edu.pk/index.php/jlumhs/article/view/1259 (Accessed: 22 November 2024).