Syed Abdullah Shah, et al. “ASSESSMENT AND BARRIERS REGARDING INHALER TECHNIQUE AMONG ADMITTED PATIENTS OF OBSTRUCTIVE LUNG DISORDERS OF PULMONOLOGY WARD”. Journal of Population Therapeutics and Clinical Pharmacology, vol. 29, no. 04, Dec. 2022, pp. 5515-23, https://doi.org/10.53555/q3qpdj50.