1. Pathology showing focallymphocytic sialadenitis with afocus score ≥ 12. Positive anti-Ro/SS-A OR anti-La/SS-B antibodies OR a positivetest for rheumatoid factor andantinuclear antibodies ≥ 1:3203. Ocular staining score ≥ 3. This evidence concerns the gene SSB and sialadenitis.