Vakil Nakul, Mason David P, Yun James J, Murthy Sudish C, Budev Marie M, Pettersson Gosta B
Department of Thoracic and Cardiovascular Surgery, Heart and Vascular Institute, Cleveland Clinic, Cleveland, Ohio 44195, USA.
J Thorac Cardiovasc Surg. 2011 Jan;141(1):e3-5. doi: 10.1016/j.jtcvs.2010.09.028. Epub 2010 Nov 18.