[1]
Husain, A. et al. 2016. FEV1/FEV6 as an Alternative to FEV1/FVC in the Spirometric Detection of Airway Obstruction in Chronic Smokers. Annals of Punjab Medical College. 10, 3 (Aug. 2016), 147–151. DOI:https://doi.org/10.29054/apmc/2016.281.