Islam, M. M., M. A. Hossain, K. S. Bennoor, and T. Ali. “Role of Blood Cells in Diagnosis of Asthma-COPD Overlap Among Patients With COPD”. Journal of Bangladesh Society of Physiologist, vol. 15, no. 1, July 2020, pp. 33-38, doi:10.3329/jbsp.v15i1.48114.