title: Genetic differences between primary and secondary sicca syndrome.
mesh_terms: D000328:Adult; D000368:Aged; D000483:Alleles; D001402:B-Lymphocytes / Q000276:immunology; D005260:Female; D006801:Humans; D007519:Isoantigens / Q000032:analysis; D008297:Male; D008875:Middle Aged; D012859:Sjogren's Syndrome / Q000145:classification / Q000235:genetics* / Q000276:immunology
chemical_list: D007519:Isoantigens