“Indacaterol//Glycopyrronium/in/Symptomatic/Patients/With/COPD/(GOLD/2/and/GOLD/3)/Versus/Salmeterol//Fluticasone”. 2025. Indus Journal of Bioscience Research 3 (4): 614-17. https://doi.org/10.70749/ijbr.v3i4.859.