Graded Nodal/Activin signaling titrates conversion of quantitative phospho-Smad2 levels into qualitative embryonic stem cell fate decisions.

by Kian Leong Lee, Sandy Keat Lim, Yuriy Lvovich Orlov, Le Yau Yit, Henry Yang, Lay Teng Ang, Lorenz Poellinger, Bing Lim
Published 2011-06-01