Dainis Krievins et al.. “Preoperative Testing for Silent Coronary Ischemia Using Coronary CT Angiography-derived Fractional Flow Reserve (FFRct) May Reduce Postoperative Myocardial Infarction and Cardiovascular Death in Patients Needing Lower-extremity Revascularization Compared to Standard Pre-operative Evaluation of Patients With no Cardiac Symptoms Undergoing Peripheral Vascular Surgery.” European journal of vascular and endovascular surgery, vol. 58, n.d., pp. e723–. http://access.bl.uk/ark:/81055/vdc_100098054396.0x00002d