Md. Nazrul Islam, P. K. Y. R. L. Y. “A STUDY TO ASSESS THE PEAK EXPIRATORY FLOW RATE IN NEPALESE POPULATION INVOLVED IN TAILORING OCCUPATION”. Journal of Biomedical and Pharmaceutical Research, Vol. 4, no. 5, Oct. 2017, https://jbpr.in/index.php/jbpr/article/view/227.