Odegard KC, Kirse DJ, del Nido PJ, Laussen PC, Casta A, Booke J, Kenna MA, McGowan FX. Intraoperative recurrent laryngeal nerve monitoring during video-assisted throracoscopic surgery for patent ductus arteriosus. J Cardiothorac Vasc Anesth. 2000 Oct; 14(5):562-4.