Akhtar, Pooja M., Sujata Yardi, B. O. Tayade, Mayuri Pathak, and Bhargavi Saraf. “Mental Health, Sleep and Quality of Life in Patients With Chronic Obstructive Pulmonary Disease: A Correlational Study”. International Journal of Research in Medical Sciences 6, no. 6 (May 25, 2018): 2036–2041. Accessed November 26, 2025. https://www.msjonline.org/index.php/ijrms/article/view/4842.