RT Journal Article SR Electronic T1 Progrès en rhumatologie JF Annals of the Rheumatic Diseases JO Ann Rheum Dis FD BMJ Publishing Group Ltd and European League Against Rheumatism SP 278 OP 278 DO 10.1136/ard.27.3.278-a VO 27 IS 3 A1 Dixon, A. St. J. YR 1968 UL http://ard.bmj.com/content/27/3/278.1.abstract AB