Abid Usman, Zahoor Ahmed Shah, Saifullah, Lalchand, Inayatullah Awan, Muhammad Firaz Khan. Symptoms and Severity of Depression in Copd Patients. Pakistan Journal of Medical & Health Sciences [Internet]. 2023 Jan. 23 [cited 2024 Nov. 21];16(11):781. Available from: https://mail.pjmhsonline.com/index.php/pjmhs/article/view/3616