Mohanty, D.L.K. and Vachhani, D.R. 2018. Spirometry in Diffuse Parenchymal Lung Diseases. International Journal of Innovative Research in Medical Science. 3, 03 (Apr. 2018), 1804 to 1808. DOI:https://doi.org/10.23958/ijirms/vol03-i03/06.