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 annrheumdis-2020-218244 DO 10.1136/annrheumdis-2020-218244 A1 Zoé Gendebien A1 Christian von Frenckell A1 Clio Ribbens A1 Béatrice André A1 Marie Thys A1 Marjorie Gangolf A1 Laurence Seidel A1 Michel G Malaise A1 Olivier Malaise YR 2020 UL http://ard.bmj.com/content/early/2020/06/25/annrheumdis-2020-218244.abstract AB