Zhifang Xie, Xianhua Ma, Wenli Ji, Guangdi Zhou, Yinzhong Lu, Zhenghua Xiang, Yan X. Wang, Lei Zhang, Yiping Hu, Yu-Qiang Ding, Weiping J. Zhang
Proc Natl Acad Sci U S A. 2010 Apr 6; 107(14): 6510–6515. Published online 2010 Mar 22. doi: 10.1073/pnas.0912315107