<a href="https://www.cureus.com/articles/120505-autoimmune-hepatitis-following-mrna-covid-19-vaccination-in-a-very-old-patient-with-preexisting-sjgrens-syndrome-a-case-report" target="_blank" rel="noopener nofollow">https://www.cureus.com/articles/120505-autoimmune-hepatitis-following-mrna-covid-19-vaccination-in-a-very-old-patient-with-preexisting-sjgrens-syndrome-a-case-report</a>