title: HL-A antigens and the sicca syndrome.
mesh_terms: D000328:Adult; D000368:Aged; D000974:Antibodies, Antinuclear / Q000032:analysis; D006649:Histocompatibility Antigens / Q000032:analysis*; D006801:Humans; D008875:Middle Aged; D012217:Rheumatoid Factor / Q000032:analysis; D012859:Sjogren's Syndrome / Q000276:immunology*
chemical_list: D000974:Antibodies, Antinuclear; D006649:Histocompatibility Antigens; D012217:Rheumatoid Factor