Rahim Zahid, A. Z., M. Bari, C. R. Sarkar, S. A. Begum, and A. H. Mosawuir. “FVC, FEV₁ and FEV<sub>1</Sub>% in Male Tobacco Industry Workers”. Journal of Bangladesh Society of Physiologist, vol. 6, no. 2, Feb. 2012, pp. 90-93, doi:10.3329/jbsp.v6i2.9757.