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Dr. K P Jeswanth Kiran, Dr. Uma MA, Dr G Kalyan Kumar, Dr. Jagadish K, Dr. Pillarsetty Pavan Kumar, Dr. N S Prasad. Comparison of ccq, cat score & bode index in assessing severity and exacerbations of copd - a comprehensive study. IJPRT [Internet]. 2025 Jul. 12 [cited 2025 Jul. 14];15(2):272-9. Available from: https://www.ijprt.org/index.php/pub/article/view/685