Ghilley, Ved Prakash, D. P. Bhadoria, and Sanjay Pandit. “Correntional Study of the Health-Related Quality of Life, Chronic Obstructive Airway Disease in Northern India, New Delhi”. International Journal of Advances in Medicine 5, no. 3 (May 22, 2018): 705–709. Accessed April 18, 2026. https://www.ijmedicine.com/index.php/ijam/article/view/1086.