M. Javed, G. A. Sheikh, M. Rizwan, R. R. Khan, N. Mehmood, and M. A. Anjum, “Frequency of Eosinophilia among Patients of Chronic Obstructive Pulmonary Disease with Acute Exacerbation”, J Aziz Fatm Med Den College, vol. 2, no. 2, pp. 38–42, Feb. 2021.