求文献一篇，谢谢！

细胞-77

http://www.ncbi.nlm.nih.gov/pubmed/259903203 N4 M3 Q* V# ?5 G8 T! x
J Mol Cell Biol. 2015 May 19. pii: mjv030. [Epub ahead of print]
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Ectodermal progenitors derived from epiblast stem cells by inhibition of Nodal signaling.
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听不到