Title:Cells keep a memory of their tissue origin during axolotl limb regeneration " n' ~0 W3 I1 b- mlink:http://www.nature.com/nature/jou ... pdf/nature08152.pdf 9 [% T* s5 t b9 X4 G5 N8 ~Nature 460, 60-65 (2 July 2009) | doi:10.1038/nature08152; Received 26 February 2009; Accepted 22 May 2009: o7 o! g9 G1 F2 J- {, O
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