Marc E. Rothenberg, Matthew P. Doepker, Ian P. Lewkowich, Monica G. Chiaramonte, Keith F. Stringer, Fred D. Finkelman, Carol L. MacLeod, Lesley G. Ellies, Nives Zimmermann
Proc Natl Acad Sci U S A. 2006 Oct 3; 103(40): 14895–14900. Published online 2006 Sep 26. doi: 10.1073/pnas.0605478103