Faisal, S., Ullah, Z., & Khalil, A. A. (2024). Frequency of Chronic Obstructive Pulmonary Disease (COPD) Among Smokers and Non-Smokers at Hayatabad Medical Complex Peshawar. Journal of Gandhara Nursing and Allied Health Sciences, 4(2), 20–23. Retrieved from https://jgnahs.org.pk/index.php/jgnahs/article/view/126