Schwann TA, Hashim SW, Badour S, Obeid M, Engoren M, Tranbaugh RF, Bonnell MR, Habib RH. Equipoise between radial artery and right internal thoracic artery as the second arterial conduit in left internal thoracic artery-based coronary artery bypass graft surgery: a multi-institutional study?. Eur J Cardiothorac Surg. 2016 Jan; 49(1):188-95.