RT Journal Article SR Electronic T1 The language of rheumatology. I: Nomenclature and coding. JF Annals of the Rheumatic Diseases JO Ann Rheum Dis FD BMJ Publishing Group Ltd and European League Against Rheumatism SP 4 OP 6 DO 10.1136/ard.55.1.4 VO 55 IS 1 A1 Symmons, D A1 Sant, S YR 1996 UL http://ard.bmj.com/content/55/1/4.abstract AB