Nasution, I., K. P. Surbakti, N. D. Lubis, and E. Ekayana. “Correlation Between Acute Ischemic Stroke Onset With Alberta Stroke Program Early CT Score”. International Journal of Research in Medical Sciences, vol. 8, no. 4, Mar. 2020, pp. 1299-02, doi:10.18203/2320-6012.ijrms20201313.