CD79A and peeling skin syndrome: The abundances of unidentified_Enterobacteriaceae, Bacteroides, Lactobacillus, Megamonas, Streptococcus, Veillonella, unidentified_Muribaculaceae, and Barnesiella were significantly positively correlated with disease duration, positive autoantibody percentages, and RF, IgG, and IgA levels, which were all significantly higher in pSS patients than in healthy controls.