Dr Abhishek Tiwari, Dr Sachin Gupta, Dr. Santosh Kumar Patel, and Dr. Pritish Raut. “‘’COMPARATIVE STUDY OF SIX MINUTE WALK TEST AND SIT-TO-STAND TEST IN COPD PATIENTS IN RESOURCE LIMITING SETTING’’”. Journal of Population Therapeutics and Clinical Pharmacology 31, no. 4 (April 30, 2024): 2095–2100. Accessed September 12, 2025. https://jptcp.com/index.php/jptcp/article/view/6115.