Basak, Subhadip, Rishav Mukherjee, Sampurna Chowdhury, Sabyasachi Roy, Reet Banerjee, and Raja Bhattacharya. “Evaluation of Cardiac Function in COPD Patients and Correlation With Disease Severity: A Cross Sectional Study”. Asian Journal of Medical Sciences 12, no. 3 (March 1, 2021): 14–19. Accessed December 27, 2024. https://nepjol.info./index.php/AJMS/article/view/32606.