B., G. P., S. P., Y. P. N. G., S. G., and S. A. T. “ASSESSING THE IMPACT ON PEFR AMONG SMOKERS AND PASSIVE SMOKERS–A COMPARATIVE STUDY”. International Journal of Pharmacy and Pharmaceutical Sciences, vol. 11, no. 11, Nov. 2019, pp. 17-19, doi:10.22159/ijpps.2019v11i11.35058.