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