K., N. G., J. V. Nagaral, S. K. Hebbar, S. G. N., D. P., and K. S. “Impact of Educational Intervention on Pressurized Metered Dose Inhaler Technique Among Undergraduate Medical Students”. International Journal of Basic & Clinical Pharmacology, vol. 5, no. 5, Jan. 2017, pp. 2066-70, doi:10.18203/2319-2003.ijbcp20163237.