Fatima, Sarah, Tahira Zubair, Syada Sahab, Suneel Veerwani, Kanwal Mohanlal, Bader Faiyaz Zuberi, Talat Sultana, Urooj Ahmed, and Junaid Ahmed. 2011. “Comparison of Frequency of Depression Among Patients and Their Healthy Attendants at Medical Out-Patient Department of Civil Hospital Karachi”. Journal of the Dow University of Health Sciences (JDUHS) 5 (3):122-25. https://jduhs.com/index.php/jduhs/article/view/1491.