Ashraf, S. ., A. . Junaid Dar, and U. . Nasir. “Chronic Pulmonary Obstructive Disease (COPD) On High Resolution Computed Tomography: COPD on High Resolution Computed Tomography”. Pakistan BioMedical Journal, vol. 6, no. 3, Mar. 2023, pp. 13-17, doi:10.54393/pbmj.v6i3.852.