Dr. Santosh Kumar, Dr. Gajendra Vikram Singh, Dr. Sachin Kr Gupta, Dr. B. N. Singh and Dr. Abhishek Jain (2024) “Prevalence of Asthma and COPD Overlap in Patients With Chronic COPD”, Medico Research Chronicles, 11(6), pp. 271-280. doi: 10.26838/MEDRECH.2024.11.6.744.