A functional polymorphism in the DNA methyltransferase-3A promoter modifies the susceptibility in gastric cancer but not in esophageal carcinoma

by Zhang Feng, Su Xianwei, Wu Qingxiang, Qiao Fengchang, Qiu Xuemei, Liu Dongsheng, Fan Hong, Song Yunwei, Zhao Zhujiang, Xie Wei
Published 2010-02-01