Listra Isabela Barus, Puji Pinta O. Sinurat & Chairil Amin Batubara, “THE DIFFERENCES OF ANTITHROMBIN III, FIBRINOGEN, AND TROPONIN I LEVELS BETWEEN ACUTE ISCHEMIC STROKE AND ACUTE HEMORRHAGIC STROKE”, IJRSM, vol. 6, no. 4, pp. 17–21, Apr. 2019.