RT Journal Article SR Electronic T1 Correspondence on ‘Risk of venous thromboembolism in rheumatoid arthritis, and its association with disease activity: a nationwide cohort study from Sweden’ JF Annals of the Rheumatic Diseases JO Ann Rheum Dis FD BMJ Publishing Group Ltd and European League Against Rheumatism SP annrheumdis-2021-219894 DO 10.1136/annrheumdis-2021-219894 A1 Maria I Zervou A1 George N Goulielmos YR 2021 UL http://ard.bmj.com/content/early/2021/01/31/annrheumdis-2021-219894.abstract AB