El-den Abd Elsalam, M. S. ., M. A. Abd Elbast, O. E. Mohamed, and A. El Tayeb. “Comparison Between Non-Obstructive Versus Obstructive Coronary Artery Disease Patients With Acute Coronary Syndrome”. International Journal of Health Sciences, vol. 6, no. S1, May 2022, pp. 9130-43, doi:10.53730/ijhs.v6nS1.7065.