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Agrawal A, Singh K, . C. 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. Natl J Integr Res Med [Internet]. 2018 Aug. 31 [cited 2024 Nov. 25];9(4):1-6. Available from: https://nicpd.ac.in/ojs-/index.php/njirm/article/view/2370