Agrawal, Anand, Kamaljeet Singh, and Chandermani . “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, no. 4 (August 31, 2018): 1–6. Accessed November 22, 2024. https://nicpd.ac.in/ojs-/index.php/njirm/article/view/2370.