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 Kathleen MM Vanni A1 Naomi J Patel A1 Michael DiIorio A1 Emily Kowalski A1 Grace Qian A1 Claire E Cook A1 Susan Y Ritter A1 Zachary S Wallace A1 Jeffrey A Sparks YR 2022 UL http://rmdopen.bmj.com/content/8/1/e002082.abstract AB