Yoosuf, Farih, Malay Sarkar, Dinesh Dutt Sharma, R S Negi, and Sunil Sharma. “PREVALENCE OF ANXIETY AND DEPRESSION IN STABLE PATIENTS WITH CHRONIC OBSTRUCTIVE PULMONARY DISEASE”. National Journal of Medical Research 11, no. 01 (March 31, 2021): 31–35. Accessed November 24, 2024. https://njmr.in/index.php/file/article/view/11.