RT Journal Article SR Electronic T1 Baseline use of hydroxychloroquine in systemic lupus erythematosus does not preclude SARS-CoV-2 infection and severe COVID-19 JF Annals of the Rheumatic Diseases JO Ann Rheum Dis FD BMJ Publishing Group Ltd and European League Against Rheumatism SP annrheumdis-2020-217690 DO 10.1136/annrheumdis-2020-217690 A1 Maximilian F Konig A1 Alfred HJ Kim A1 Marc H Scheetz A1 Elizabeth R Graef A1 Jean W Liew A1 Julia Simard A1 Pedro M Machado A1 Milena Gianfrancesco A1 Jinoos Yazdany A1 Daman Langguth A1 Philip C Robinson A1 , YR 2020 UL http://ard.bmj.com/content/early/2020/05/20/annrheumdis-2020-217690.abstract AB