Association of genomic instability, and the methylation status of imprinted genes and mismatch-repair genes, with neural tube defects. - Liu, Zhuo; Wang, Zhigang; Li, Yuanyuan; Ouyang, Shengrong; Chang, Huibo; Zhang, Ting; Zheng, Xiaoying; Wu, Jianxin (European Journal of Human Genetics, 2012)