Khan, Sher Bahadar, et al. “COMPARISON OF EFFECT OF LOCALLY AVAILABLE BRANDS OF CLOPIDOGREL ON PLATELET AGGREGATION IN PATIENTS WITH CORONARY ARTERY DISEASE”. Journal of Ayub Medical College Abbottabad, vol. 22, no. 1, Mar. 2010, pp. 115-7, https://jamc.ayubmed.edu.pk/index.php/jamc/article/view/3100.