Chao Ding, Chunmao Wang, Aiqiang Dong, Minjian Kong, Daming Jiang, Kaiyu Tao and Zhonghua Shen*
* Corresponding author: Zhonghua Shen 36363909@qq.com
Journal of Cardiothoracic Surgery 2012, 7:43 doi:10.1186/1749-8090-7-43
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