Xiaoning Mou, Yuanbo Wu, Henghua Cao, Qingzhang Meng, Qihui Wang, Chengchao Sun, Shengshou Hu, Yue Ma* and Hao Zhang*
* Corresponding authors: Yue Ma yuema@ibp.ac.cn - Hao Zhang drzhanghao@yahoo.com
Stem Cell Research & Therapy 2012, 3:14 doi:10.1186/scrt105
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