Overexpression of Snail is associated with lymph node metastasis and poor prognosis in patients with gastric cancer. - Shin, Na Ri; Jeong, Eun Hui; Choi, Chang In; Moon, Hyun Jung; Kwon, Chae Hwa; Chu, In Sun; Kim, Gwang Ha; Jeon, Tae Yong; Kim, Dae Hwan; Lee, Jae Hyuk; Park, Do Youn (BMC Cancer, 2012)