[1]
M. M. H. Bangash, S. B. H. Zaidi, S. M. A. Zaidi, and I. Khan, “USE OF SPIROMETRY IN DETECTING AIRWAY OBSTRUCTION IN ASYMPTOMATIC SMOKERS: Spirometry in Asymptomatic Smokers”, Pak Armed Forces Med J, vol. 60, no. 3, pp. 368–72, Sep. 2010, Accessed: Jul. 23, 2024. [Online]. Available: https://pafmj.org/PAFMJ/article/view/1332