Huajun Zheng, Liangdong Lu, Bofei Wang, Shiying Pu, Xianglin Zhang, Genfeng Zhu, Wanliang Shi, Lu Zhang, Honghai Wang, Shengyue Wang, Guoping Zhao, Ying Zhang
PLoS One. 2008; 3(6): e2375. Published online 2008 Jun 11. doi: 10.1371/journal.pone.0002375