Mol Reprod Dev. 2012 Jul;79(7):445-50. doi: 10.1002/mrd.22052. Epub 2012 May 31.! u5 z6 l4 J: z4 _6 w% `5 P2 p
Effect of vitrification on promoter methylation and the expression of pluripotency and differentiation genes in mouse blastocysts.2 Q, f) s3 w: V: {: R& ~ http://www.ncbi.nlm.nih.gov/pubmed/22618890