RT Journal Article SR Electronic T1 Corrections JF Annals of the Rheumatic Diseases JO Ann Rheum Dis FD BMJ Publishing Group Ltd and European League Against Rheumatism SP 1548 OP 1548 DO 10.1136/ard.2006.062760.corr1 VO 66 IS 11 YR 2007 UL http://ard.bmj.com/content/66/11/1548.1.abstract AB