Noor, Lubna, et al. “CHANGING TREND OF PRESENTATION OF ACUTE CORONARY SYNDROME IN PESHAWAR OVER THE LAST SIXTEEN YEARS”. Journal of Ayub Medical College Abbottabad, vol. 23, no. 2, June 2011, pp. 136-9, https://jamc.ayubmed.edu.pk/index.php/jamc/article/view/2554.