RT Journal Article SR Electronic T1 No H. pylori, no adenocarcinoma for patients with autoimmune gastritis JF Gut JO Gut FD BMJ Publishing Group Ltd and British Society of Gastroenterology SP 1 OP 2 DO 10.1136/gutjnl-2022-328068 VO 72 IS 1 A1 James Goldenring YR 2023 UL http://gut.bmj.com/content/72/1/1.abstract AB