Gita Annisa Raditra*, Andre Pasha Ketaren, Anggia Chairuddin Lubis, Hilfan Ade Putra Lubis, Teuku Bob Haykal & Harris Hassan*. “ASSOCIATION BETWEEN TERMINAL QRS DISTORSION WITH GRACE SCORE IN ACUTE STEMI PATIENT IN HAJI ADAM MALIK HOSPITAL, MEDAN”. International Journal of Research Science and Management, vol. 7, no. 12, Dec. 2020, pp. 59-64, http://ijrsm.com/index.php/journal-ijrsm/article/view/177.