Ansari, S., F. Shaikh, and T. Shah. “Determination of Mental Stress Effects on the Cognitive Function in Medical Students of LUMHS at the Time of Examination”. Journal of Liaquat University of Medical & Health Sciences, vol. 17, no. 01, Apr. 2019, pp. 23-28, http://121.52.154.205/index.php/jlumhs/article/view/44.