RT Journal Article SR Electronic T1 Classification criteria for Sjögren's syndrome: a revised version of the European criteria proposed by the American-European Consensus Group JF Annals of the Rheumatic Diseases JO Ann Rheum Dis FD BMJ Publishing Group Ltd and European League Against Rheumatism SP 554 OP 558 DO 10.1136/ard.61.6.554 VO 61 IS 6 A1 Vitali, C A1 Bombardieri, S A1 Jonsson, R A1 Moutsopoulos, H M A1 Alexander, E L A1 Carsons, S E A1 Daniels, T E A1 Fox, P C A1 Fox, R I A1 Kassan, S S A1 Pillemer, S R A1 Talal, N A1 Weisman, M H YR 2002 UL http://ard.bmj.com/content/61/6/554.abstract AB Classification criteria for Sjögren's syndrome (SS) were developed and validated between 1989 and 1996 by the European Study Group on Classification Criteria for SS, and broadly accepted. These have been re-examined by consensus group members, who have introduced some modifications, more clearly defined the rules for classifying patients with primary or secondary SS, and provided more precise exclusion criteria.