Comparison between Aorto-bifemoral Bypass and Aorto-iliac Kissing Stent in Patients with Complex Aorto-iliac Obstructive Disease. Issue 3 (September 2015) - Dorigo, W.; Piffaretti, G.; Benedetto, F.; Pulli, R.; Castelli, P.; Spinelli, F.; Pratesi, C.