RT Journal Article SR Electronic T1 Clinical outcomes of breakthrough COVID-19 after booster vaccination in patients with systemic rheumatic diseases JF RMD Open JO RMD Open FD EULAR SP e002279 DO 10.1136/rmdopen-2022-002279 VO 8 IS 1 A1 George E Fragoulis A1 Anastasios Karamanakos A1 Aikaterini Arida A1 Vasiliki-Kalliopi Bournia A1 Gerasimos Evangelatos A1 Antonis Fanouriakis A1 Kalliopi Fragiadaki A1 Evrydiki Kravvariti A1 Katerina Laskari A1 Stylianos Panopoulos A1 Nikolaos Papazoglou A1 Maria Pappa A1 Maria G Tektonidou A1 Petros P Sfikakis YR 2022 UL http://rmdopen.bmj.com/content/8/1/e002279.abstract AB