Ahmed, S. ., Rahman, M. A. ., Rahman, S. A. . and Choudhury, A. . (2022) “Effectiveness of Indacaterol-Glycopyrronium in preventing COPD exacerbations in comparison to Salmeterol-Fluticasone”, Bangabandhu Sheikh Mujib Medical University Journal, 14(3), pp. 43–49. doi: 10.3329/bsmmuj.v14i3.56597.