Sinha R, Gupta T, Maheshwari S. A Cross Sectional Study to Assess the Levels of Depression and Anxiety in Patients with Chronic Obstruction Pulmonary Disease in a Tertiary Care Hospital. Indian J Community Health [Internet]. 2021 Mar. 31 [cited 2024 Nov. 21];33(1):90-6. Available from: http://iapsmupuk.org/journal/index.php/IJCH/article/view/1975