RT Journal Article SR Electronic T1 Deep-learning based detection of gastric precancerous conditions JF Gut JO Gut FD BMJ Publishing Group Ltd and British Society of Gastroenterology SP gutjnl-2019-319347 DO 10.1136/gutjnl-2019-319347 A1 Pedro GuimarĂ£es A1 Andreas Keller A1 Tobias Fehlmann A1 Frank Lammert A1 Markus Casper YR 2019 UL http://gut.bmj.com/content/early/2019/08/01/gutjnl-2019-319347.abstract AB