Agrawal, A., Singh, K. and ., C. (2018) “Study The Risk Of Chronic Obstructive Pulmonary Diseases Among Successfully Treated Old Pulmonary Tubercular Cases By Measuring Lung Function Indices - A Hospital Based Case Control Multi Group Study: Risk Of Chronic Obstructive Pulmonary Diseases Among Successfully Treated Old Pulmonary Tubercular cases”, National Journal of Integrated Research in Medicine, 9(4), pp. 1–6. doi: 10.70284/njirm.v9i4.2370.