RT Journal Article SR Electronic T1 Antibodies to retroviral proteins in Sjögren's syndrome. JF Annals of the Rheumatic Diseases JO Ann Rheum Dis FD BMJ Publishing Group Ltd and European League Against Rheumatism SP 621 DO 10.1136/ard.52.8.621-a VO 52 IS 8 A1 Cattaneo, R A1 Tosoni, C A1 Franzini, M A1 Manca, N A1 Gelmi, M A1 Turano, A A1 Trotta, F A1 Govoni, M YR 1993 UL http://ard.bmj.com/content/52/8/621.1.abstract AB