RT Journal Article SR Electronic T1 Proptosis can be the presenting feature of systemic lupus erythematosus JF Annals of the Rheumatic Diseases JO Ann Rheum Dis FD BMJ Publishing Group Ltd and European League Against Rheumatism SP 908 OP 909 DO 10.1136/ard.2004.020602 VO 63 IS 8 A1 Siebert, S A1 Srinivasan, U YR 2004 UL http://ard.bmj.com/content/63/8/908.abstract AB