Tavlueva, Evgeniya, et al. “Impact of Switching From Clopidogrel To Ticagrelor on Adverse Cardiovascular Events in Patients With ST-Segment Elevation Myocardial Infarction”. Cardiology and Cardiovascular Medicine, vol. 2, no. 3, May 2018, pp. 74-85, http://www.fortunejournals.org/ojs/index.php/ccm/article/view/15511.