Marwat, Mushtaq Ahmad. “PREVALENCE OF DEPRESSION AND THE USE OF ANTIDEPRESSANTS AMONG THIRD YEAR MEDICAL STUDENTS OF KHYBER MEDICAL COLLEGE, PESHAWAR”. Journal of Postgraduate Medical Institute, vol. 27, no. 1, Dec. 2012, https://www.jpmi.org.pk/index.php/jpmi/article/view/1429.