Elfi, E. F., Decroli, E., Nasrul, E., Yanwirasti, Y. and Darwin, E. (2021) “The Risk Factors of Coronary Heart Disease and its Relationship with Endothelial Nitric Oxide Synthase”, Open Access Macedonian Journal of Medical Sciences, 9(B), pp. 451–456. doi: 10.3889/oamjms.2021.6062.