Manipulations of mouse embryos prior to implantation result in aberrant expression of imprinted genes on day 9.5 of development.
Rivera RM, Stein P, Weaver JR, Mager J, Schultz RM, Bartolomei MS. Manipulations of mouse embryos prior to implantation result in aberrant expression of imprinted genes on day 9.5 of development. Hum Mol Genet. 2008 Jan 01; 17(1):1-14.