Jiqu Xu, Xiaoqi Zhou, Chang Chen, Qianchun Deng, Qingde Huang, Jin'e Yang, Nianhong Yang and Fenghong Huang*
* Corresponding author: Fenghong Huang fhhuang@foxmail.com
BMC Complementary and Alternative Medicine 2012, 12:14 doi:10.1186/1472-6882-12-14