RT Journal Article SR Electronic T1 Conclusion that autoimmune gastritis does not predispose to gastric cancer is unproven JF Gut JO Gut FD BMJ Publishing Group Ltd and British Society of Gastroenterology SP gutjnl-2022-329323 DO 10.1136/gutjnl-2022-329323 A1 Helge Lyder Waldum YR 2023 UL http://gut.bmj.com/content/early/2023/01/23/gutjnl-2022-329323.abstract AB