Sharma, Meenakshi, Rambabu Sharma, Neelam Singh, and Kusum Gaur. “FEV1, FVC, FEV1/FVC Ratio in Children of 7-14 Years of Age from Western Rajasthan”. Journal of Bangladesh Society of Physiologist 8, no. 1 (October 25, 2013): 37–41. Accessed May 21, 2024. https://www.banglajol.info/index.php/JBSP/article/view/16646.