Rahman N, Ullah U. Comparison of Inhaler Technique between Dry Powder Inhalers and Metered Dose Inhalers among adults with Obstructive Airway Disease. Pak J Chest Med [Internet]. 2025Dec.2 [cited 2026May1];31(4):291-8. Available from: https://www.pjcm.net/index.php/pjcm/article/view/1072