RT Journal Article SR Electronic T1 Notes and news JF Annals of the Rheumatic Diseases JO Ann Rheum Dis FD BMJ Publishing Group Ltd and European League Against Rheumatism SP 297 OP 297 DO 10.1136/ard.51.3.297 VO 51 IS 3 YR 1992 UL http://ard.bmj.com/content/51/3/297.abstract AB