Guo-Zheng Li, Sheng Sun, Mingyu You*, Ya-Lei Wang and Guo-Ping Liu*
* Corresponding authors: Mingyu You myyou@tongji.edu.cn - Guo-Ping Liu tianshanghuo3838@163.com
Chinese Medicine 2012, 7:9 doi:10.1186/1749-8546-7-9