Khan, P.A., Sujala, A., Nousheen, B.B.S., Fatima, A.F., Ala, H.T. and Reddy, A.B.T.P. 2018. A COMPARATIVE EVALUATION OF THE EFFICACY OF TRIPLE DRUG THERAPY WITH DUAL DRUG THERAPY IN COPD PATIENTS. International Journal of Pharmacy and Pharmaceutical Sciences. 10, 4 (Apr. 2018), 105–109. DOI:https://doi.org/10.22159/ijpps.2018v10i4.24529.