James C. Mulloy, Vladimir Jankovic, Mark Wunderlich, Ruud Delwel, Jorg Cammenga, Ondrej Krejci, Hui Zhao, Peter J. M. Valk, Bob Lowenberg, Stephen D. Nimer
Proc Natl Acad Sci U S A. 2005 Mar 15; 102(11): 4016–4021. Published online 2005 Feb 24. doi: 10.1073/pnas.0404701102