Gagiya, A. K. .; Patel, A. S. .; Bhagat, G. R. .; Bhadiyadra, V. R. .; Patel, K. S. .; Patel, P. . Spirometry And X-Ray Findings in Cases of Interstitial Lung Diseases. Natl J Community Med 2012, 3, 700-702.