RT Journal Article SR Electronic T1 Breakthrough infection after three doses of COVID-19 mRNA vaccine in systemic autoimmune rheumatic diseases: two cases in patients on TNF inhibitor monotherapy JF RMD Open JO RMD Open FD EULAR SP e002082 DO 10.1136/rmdopen-2021-002082 VO 8 IS 1 A1 Vanni, Kathleen MM A1 Patel, Naomi J A1 DiIorio, Michael A1 Kowalski, Emily A1 Qian, Grace A1 Cook, Claire E A1 Ritter, Susan Y A1 Wallace, Zachary S A1 Sparks, Jeffrey A YR 2022 UL http://rmdopen.bmj.com/content/8/1/e002082.abstract AB