Elhakeem, R. F., Lutfi, M. F., Ali, A. B. M., & Sukkar, M. Y. (2019). Chest Pain Characteristics in Cardiac Syndrome X Compared to Coronary Artery Disease. Open Access Macedonian Journal of Medical Sciences, 7(14), 2282–2286. https://doi.org/10.3889/oamjms.2019.609