Regulation of endodermal differentiation of human embryonic stem...

Correspondence: D Brafman or K Willert, Department of Cellular and Molecular Medicine, Stem Cell Program, University of California, UCSD, 9500 Gilman Drive, La Jolla, CA 92093-0695, USA.

http://www.nature.com/cdd/journal/vaop/ncurrent/full/cdd2012138a.html