RT Journal Article SR Electronic T1 Systematic analysis of COVID-19 infection and symptoms in a systemic lupus erythematosus population: correlation with disease characteristics, hydroxychloroquine use and immunosuppressive treatments JF Annals of the Rheumatic Diseases JO Ann Rheum Dis FD BMJ Publishing Group Ltd and European League Against Rheumatism SP e94 OP e94 DO 10.1136/annrheumdis-2020-218244 VO 80 IS 6 A1 Gendebien, Zoé A1 von Frenckell, Christian A1 Ribbens, Clio A1 André, Béatrice A1 Thys, Marie A1 Gangolf, Marjorie A1 Seidel, Laurence A1 Malaise, Michel G A1 Malaise, Olivier YR 2021 UL http://ard.bmj.com/content/80/6/e94.abstract AB