Tomoyoshi Takenaka*, Teruyoshi Ishida, Yoshinori Handa, Shinichi Tsutsui and Hiroyuki Matsuda
* Corresponding author: Tomoyoshi Takenaka ttake@surg2.med.kyushu-u.ac.jp
Journal of Cardiothoracic Surgery 2012, 7:68 doi:10.1186/1749-8090-7-68
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