Hassan, M. K., M. U. Haq, A. N. Babar, and A. K. Khattak. “FREQUENCY OF DEPRESSION IN FUNCTIONAL DYSPEPSIA PATIENTS PRESENTING TO A TERTIARY CARE HOSPITAL”. Journal of Postgraduate Medical Institute, vol. 30, no. 3, July 2016, https://www.jpmi.org.pk/index.php/jpmi/article/view/1967.