Zein, A. F. M., S. A. Nasution, D. Purnamasari, and A. Mansjoer. “The Influence of Hyperglycemia at Admission on In-Hospital Arrhythmia Patients With Acute Coronary Syndrome”. Acta Medica Indonesiana, vol. 47, no. 4, Dec. 2015, https://actamedindones.org/index.php/ijim/article/view/20.