RT Journal Article SR Electronic T1 CORRECTION JF Annals of the Rheumatic Diseases JO Ann Rheum Dis FD BMJ Publishing Group Ltd and European League Against Rheumatism SP 1248 OP 1248 DO 10.1136/ard.2004.023564corr1 VO 64 IS 8 YR 2005 UL http://ard.bmj.com/content/64/8/1248.abstract AB