求英文文献一篇，谢谢！

zhusealin

Nature Biotechnology 27, 275 - 280 (2009) . R  ]6 S1 h+ E+ S
Published online: 1 March 2009 | Corrected online: 16 March 2009 | doi:10.1038/nbt.1529; e! [) G2 j  G5 M$ j# \  ~
Highly efficient neural conversion of human ES and iPS cells by dual inhibition of SMAD signaling! z$ T' ^4 S+ f/ r; {; E
Stuart M Chambers1, Christopher A Fasano1, Eirini P Papapetrou2, Mark Tomishima1,2, Michel Sadelain2,3 & Lorenz Studer1,2,4

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