Bhowmik K, . M, Adhikari A, Choudhury S, Ahmed MM. Prevalence of depression and its risk factors among patients with chronic obstructive pulmonary disease in a tertiary level hospital in West Bengal, India. SE Asia J. Pub. Health [Internet]. 2013 Jul. 30 [cited 2025 Sep. 8];2(2):34-40. Available from: https://www.banglajol.info/index.php/SEAJPH/article/view/15942