Khanduja, Divya, and Naveen Pandhi. “A Case Series on Asthma-COPD Overlap (ACO) Is Independent from Other Chronic Obstructive Diseases (COPD and Asthma)”. Journal of Pulmonology and Respiratory Research 5, no. 1 (June 30, 2021): 054–058. Accessed January 14, 2026. https://www.pulmonolrespirjournal.com/index.php/jprr/article/view/jprr-aid1025.