Rehman, A. U. ., and S. . Akhtar. “Frequency of Errors in Inhaler Technique Among Patients Using Metered-Dose Inhalers (MDIs) in a Tertiary Care Hospital”. Biological and Clinical Sciences Research Journal, vol. 6, no. 6, June 2025, pp. 49-52, doi:10.54112/bcsrj.v6i6.1815.