Haq, Z. U., Basit, A., Iqbal, Z., Khan, J., Ullah, R., Amin, M., Ullah, Z., Khan, M. Y., & Javaid, A. (2018). Analysis of metered dose Inhaler technique errors in patients with obstructive airway diseases. Pakistan Journal of Chest Medicine, 24(2), 64–71. Retrieved from https://pjcm.net/index.php/pjcm/article/view/521