Karamat, A. ., H. . Batool, S. . Anwar, S. . Akram, A. . Masood, and W. A. . Rafai. “Frequency and Pattern of Bronchiectasis in Patients With Chronic Obstructive Pulmonary Disease Presenting in a Tertiary Care Hospital”. Proceedings, vol. 35, no. 3, June 2021, pp. 54-57, doi:10.47489/PSZMC-809-35-3-54-57.