Sarwar, Kashif Ali, Umer Naseer, Attia Tabassum, and Fatima Naseer. “Assessment of Inhalational Technique of Metered Dose Inhalers (pMDIs) Among Its Users”. Pakistan Journal of Chest Medicine 26, no. 1 (September 9, 2020): 15–21. Accessed May 13, 2026. https://www.pjcm.net/index.php/pjcm/article/view/643.