Karo, Kartika br, Andre Pasha Ketaren, Refli Hasan, Harris Hasan, Zulfikri Mukhtar, and Anggia Chairuddin Lubis. 2019. “Corelation Between Sum of Precordial ST Depression in Acute Inferior Myocardial Infarction With Stenosis Severity of Left Anterior Descending Artery”. Sumatera Medical Journal 2 (1):1 - 9. https://doi.org/10.32734/sumej.v2i1.712.