Fadhil, A., Nema, M. and Abdalrazak, S. 2014. The Use of Volumetric Chest Computed Tomography in Determination of Chronic Obstructive Pulmonary Disease Phenotypes. Journal of the Faculty of Medicine Baghdad. 56, 1 (Apr. 2014), 20-24. DOI:https://doi.org/10.32007/jfacmedbagdad.v120-24%.