Shin J, Bossenz M, Chung Y, Ma H, Byron M, Taniguchi-Ishigaki N, Zhu X, Jiao B, Hall LL, Green MR, Jones SN, Hermans-Borgmeyer I, Lawrence JB, Bach I. Maternal Rnf12/RLIM is required for imprinted X-chromosome inactivation in mice. Nature. 2010 Oct 21; 467(7318):977-81.