Maghferatullah, M. A., and M. S. Khawaja. “EVALUATION OF EFFECT OF INHALED CORTICOSTEROID (ICS) ON SPIROMETRIC PARAMETERS OF COPD PATIENTS”. Journal of Applied Pharmaceutical Sciences and Research, Vol. 3, no. 4, Jan. 2021, pp. 14-19, doi:10.31069/japsr.v3i4.3.