RT Journal Article SR Electronic T1 Correspondence on ‘Which factors are associated with bone marrow oedema suspicious of axial spondyloarthritis as detected by MRI in the sacroiliac joints and the spine in the general population?’ JF Annals of the Rheumatic Diseases JO Ann Rheum Dis FD BMJ Publishing Group Ltd and European League Against Rheumatism SP annrheumdis-2021-220567 DO 10.1136/annrheumdis-2021-220567 A1 Chun-Lin Su A1 Jhih-Wei Chen A1 James Cheng-Chung Wei YR 2021 UL http://ard.bmj.com/content/early/2021/05/16/annrheumdis-2021-220567.abstract AB