A. Ambreen and K. F. Khalil, “CORRELATION OF CAT SCORE WITH BODE INDEX IN PATIENTS WITH CHRONIC OBSTRUCTIVE PULMONARY DISEASE”, Pak Armed Forces Med J, vol. 70, no. Suppl-1, pp. S171–75, Jan. 2020, Accessed: May 21, 2025. [Online]. Available: https://www.pafmj.org/PAFMJ/article/view/3817