Ota Takeyoshi, Subramaniam Kathirvel, Cook Chris C, Bermudez Christian
Division of Cardiac Surgery, University of Pittsburgh Medical Center, 200 Lothrop St, PUH C-900, Pittsburgh, PA 15213, USA.
Circulation. 2010 Feb 2;121(4):584-5. doi: 10.1161/CIR.0b013e3181cf3117.