RT Journal Article SR Electronic T1 Sjögren's Syndrome. Clinical and Immunological Aspects JF Journal of Clinical Pathology JO J Clin Pathol FD BMJ Publishing Group Ltd and Association of Clinical Pathologists SP 1139 OP 1139 DO 10.1136/jcp.41.10.1139-a VO 41 IS 10 A1 DK Mason YR 1988 UL http://jcp.bmj.com/content/41/10/1139.1.abstract AB