Prakhar Sharma, N.K. , N.K. , 2017. Prevalence of Bronchial Asthma among School Children in Urban and Rural Areas and Associated Risk Factors: A Cross Sectional Study from Western Uttar Pradesh, India. International Journal of Medical Science and Clinical Invention. 4, 2 (Feb. 2017). DOI:https://doi.org/10.18535/ijmsci/v4i2.02.