Rahim Zahid, A. Z., Bari, M., Sarkar, C. R., Begum, S. A., & Mosawuir, A. H. (2012). FVC, FEV₁ and FEV₁% in Male Tobacco Industry Workers. Journal of Bangladesh Society of Physiologist, 6(2), 90–93. https://doi.org/10.3329/jbsp.v6i2.9757