Zoffoli, G., et al. “Acute Coronary Syndromes Without Persistent ST-Segment Elevation: Advances in Surgical Revascularization”. Acta Biomedica Atenei Parmensis, vol. 76, no. 2, Aug. 2005, pp. 99-106, https://mattioli1885journals.com/index.php/actabiomedica/article/view/2032.