John BV, Bastaich DR, Ferreira RD, Doshi A, et al. COVID-19 vaccine effectiveness and community prevalence of Alpha, Delta and
Omicron variants in patients with cirrhosis. Gut 2022 Sep 5:gutjnl-2022-327799. doi: 10.1136/gutjnl-2022-327799.
PMID: 36562753