Fadhil, A. A.; Nema, M.; Abdalrazak, S. A. The Use of Volumetric Chest Computed Tomography in Determination of Chronic Obstructive Pulmonary Disease Phenotypes. JFacMedBagdad 2014, 56 (1), 20-24. https://doi.org/10.32007/jfacmedbagdad.561419.