Masud M, Usman U. Indacaterol/ Glycopyrronium in Symptomatic Patients with COPD (GOLD 2 and GOLD 3) Versus Salmeterol/ Fluticasone. IJBR [Internet]. 2025 Apr. 26 [cited 2026 Apr. 9];3(4):614-7. Available from: https://induspublishers.com/index.php/IJBR/article/view/859