Bhushan, B., K. Singh, J. Abraham, D. Goyal, A. Bhatnager, J. T. Chungath, H. Bharti, and K. Sharma. “Role of Educational Intervention With Practical Demonstration in Improving Inhaler Technique”. International Journal of Advances in Medicine, vol. 6, no. 3, May 2019, pp. 840-4, doi:10.18203/2349-3933.ijam20192249.