RT Journal Article SR Electronic T1 Colorectal cancer cells use the negative feedback regulators of WNT signalling to activate epithelial–mesenchymal transition pathways JF Gut JO Gut FD BMJ Publishing Group Ltd and British Society of Gastroenterology SP 563 OP 564 DO 10.1136/gutjnl-2016-313185 VO 66 IS 4 A1 Eugene Tulchinsky YR 2017 UL http://gut.bmj.com/content/66/4/563.abstract AB