求助三篇文章，谢谢

exin11

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1、Genomic imprinting in mammals: its life cycle, molecular mechanisms and reprogramming0 e+ Z: t0 Y: D7 _
http://www.nature.com/cr/journal ... full/cr201115a.html* O% s, R: O- h, ?" ?
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2、Reference Maps of Human ES and iPS Cell Variation Enable High-Throughput Characterization of Pluripotent Cell Lines
1 s3 b4 j. o- h4 k5 }9 d7 {! \http://www.cell.com/retrieve/pii/S0092867410015242
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3、Inhibition of Class IIb Histone Deacetylase Significantly Improves Cloning Efficiency in Mice
6 Q/ z* }" l$ v# E2 w# \http://www.biolreprod.org/content/83/6/929.full.pdf+html