RT Journal Article SR Electronic T1 Correspondence on ‘Impact of the COVID-19 pandemic on morbidity and mortality in patients with inflammatory joint diseases and in the general population: a nationwide Swedish cohort study’ JF Annals of the Rheumatic Diseases JO Ann Rheum Dis FD BMJ Publishing Group Ltd and European League Against Rheumatism SP annrheumdis-2021-220462 DO 10.1136/annrheumdis-2021-220462 A1 Liang En Wee A1 Edwin Philip Conceicao A1 Jing Yuan Tan A1 Julian Thumboo A1 Indumathi Venkatachalam YR 2021 UL http://ard.bmj.com/content/early/2021/04/08/annrheumdis-2021-220462.abstract AB