Szabo P, Lantos J, Nagy L, Keki S, Volgyi E, Menyhei G, Illes Z, Molnar T. l-Arginine Pathway Metabolites Predict Need for Intra-operative Shunt During Carotid Endarterectomy. Eur J Vasc Endovasc Surg. 2016 Dec; 52(6):721-728.