Effect of folic acid on MNNGtreated esophageal epithelial cells and expression of DNMT1 enzyme activity
LI Xufeng, ZHANG Huixia, KADIRYA·Abduwali, CHEN Yan
Carcinogenesis, Teratogenesis & Mutagenesis . 2016, (6): 458 -463 .  DOI: 10.3969/j.issn.1004-616x.2016.06.009