Sunyal, D.K., Amin, M.R., Ahmed, A., Begum, S., Begum, M. and Rahman, N. 2008. Peak Expiratory Flow Rate in Pregnant Women. Journal of Bangladesh Society of Physiologist. 2, (Jul. 2008), 20–23. DOI:https://doi.org/10.3329/jbsp.v2i0.979.