RT Journal Article SR Electronic T1 Heberden Society JF Annals of the Rheumatic Diseases JO Ann Rheum Dis FD BMJ Publishing Group Ltd and European League Against Rheumatism SP 263 OP 266 DO 10.1136/ard.15.3.263 VO 15 IS 3 YR 1956 UL http://ard.bmj.com/content/15/3/263.abstract AB