Xin Wu, Jonathan A. Schmidt, Mary R. Avarbock, John W. Tobias, Claire A. Carlson, Thomas F. Kolon, Jill P. Ginsberg, Ralph L. Brinster
Proc Natl Acad Sci U S A. 2009 Dec 22; 106(51): 21672–21677. Published online 2009 Dec 14. doi: 10.1073/pnas.0912432106