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 2025, 15, 272-279.