RT Journal Article SR Electronic T1 Temporal trend of mortality in patients with cirrhosis with primary biliary cholangitis and primary sclerosing cholangitis during the COVID-19 pandemic JF Gut JO Gut FD BMJ Publishing Group Ltd and British Society of Gastroenterology SP 1217 OP 1219 DO 10.1136/gutjnl-2023-330271 VO 73 IS 7 A1 He, Xinyuan A1 Gao, Ning A1 Lv, Fan A1 Wu, Fengping A1 Liu, Yi A1 Li, Lamei A1 Ayoub, Walid S A1 Yeo, Yee Hui A1 Ji, Fanpu YR 2024 UL http://gut.bmj.com/content/73/7/1217.abstract AB