Sonya W. Song, Gregory N. Fuller, Asadullah Khan, Shouming Kong, Weiping Shen, Ellen Taylor, Latha Ramdas, Frederick F. Lang, Wei Zhang
Proc Natl Acad Sci U S A. 2003 Nov 25; 100(24): 13970–13975. Published online 2003 Nov 14. doi: 10.1073/pnas.2332186100