I. Qothi, M. R. Fuadi, and A. Subagjo, “Profile of Major Risk Factors in Acute Coronary Syndrome (ACS) at Pusat Pelayanan Jantung Terpadu (PPJT) Dr. Soetomo Public Hospital Surabaya Between the Period of January-December 2019”, CCJ, vol. 2, no. 2, pp. 59–72, Sep. 2021.