Katz Nevin M
George Washington University, the Washington Institute of Thoracic and Cardiovascular Surgery, and the Foundation for the Advancement of Cardiothoracic Surgical Care, Washington, DC, USA.
J Thorac Cardiovasc Surg. 2007 Nov;134(5):1109-11. doi: 10.1016/j.jtcvs.2007.07.032.