Shah, Ajmal, Adil Umer Khan, Muhammad Fahim Qasim, Muhammad Tariq, Rizwan Farooq, and Shakil Asif. “Frequency of Depression and Anxiety and Their Association With Respiratory Diseases: A Hospital Based Study”. Pakistan Journal of Chest Medicine 28, no. 2 (June 2, 2022): 221–228. Accessed November 18, 2025. https://www.pjcm.net/index.php/pjcm/article/view/840.