RT Journal Article SR Electronic T1 Retraction JF Annals of the Rheumatic Diseases JO Ann Rheum Dis FD BMJ Publishing Group Ltd and European League Against Rheumatism SP 948 OP 948 DO 10.1136/ard.2010.138032ret VO 73 IS 5 YR 2014 UL http://ard.bmj.com/content/73/5/948.abstract AB