Worth Patrick J, Conklin Patrick, Prince Ethan, Singh Arun K
Division of Thoracic and Cardiovascular Surgery and Department of Radiology, The Warren Alpert Medical School of Brown University, Rhode Island Hospital, Providence, RI, USA.
J Thorac Cardiovasc Surg. 2011 Sep;142(3):e136-8. doi: 10.1016/j.jtcvs.2010.05.058. Epub 2011 Jun 30.