[34]Bliek J TP,van den BogaardMJ ea.Hypomethylation of the H19 gene causes not only Silver-Russell syndrome(SRS)but also isolated asymmetry or an SRS-like phenotype.Am J Hum Genet,.2006,78(4):604-614. [35]Wakeling EL ASA,Alders M ea.Epigenotype-phenotype correlations in Silver-Russell syndrome.J Med Genet,2010,47(11):760-768. [36]Svensson J BA,Ivarsson SA.Increased risk of Silver-Russell syndrome after in vitro fertilization.Acta Paediatr,2005,94(8):1163-1165. [37]Kagami M NT,Fukami M YK,Ogata T.Silver-Russell syndrome in a girl born after in vitro fertilization:partial hypermethylation at the differentially methylated region of PEG1/MEST.J Assist Reprod Genet,2007,24(4):131-136.[34]Bliek J TP, van den BogaardMJ ea. Hypomethylation of the H19 gene causes not only Silver-Russell syndrome (SRS) but also isolated asymmetry or an SRS-like phenotype. Am J Hum Genet,2006,78(4):604–614. [35]Wakeling EL ASA, Alders M ea. Epigenotype-phenotype correlations in Silver-Russell syndrome. J Med Genet,2010,47(11):760–768. [36]Svensson J BA, Ivarsson SA. Increased risk of Silver- Russell syndrome after in vitro fertilization. Acta Paediatr,2005,94(8):1163–1165. [37]Kagami M NT, Fukami M YK, Ogata T. Silver- Russell syndrome in a girl born after in vitro fertilization: partial hypermethylation at the differentially methylated region of PEG1/MEST. J Assist Reprod Genet, 2007,24(4):131–136