title: Rheumatoid factors in Ro (SSA) positive and Ro (SSA) negative rheumatoid arthritis patients.
abstract: In this report increased IgA and IgM rheumatoid factors were detected in the saliva of Ro (SSA) rheumatoid arthritis patients by an isotype-specific radioimmunoassay.
mesh_terms: D000328:Adult; D000368:Aged; D000974:Antibodies, Antinuclear / Q000032:analysis / Q000276:immunology*; D001172:Arthritis, Rheumatoid / Q000276:immunology*; D005260:Female; D006115:Greece; D006801:Humans; D007070:Immunoglobulin A / Q000032:analysis; D007075:Immunoglobulin M / Q000032:analysis; D008297:Male; D008875:Middle Aged; D012217:Rheumatoid Factor / Q000032:analysis / Q000276:immunology*; D012463:Saliva / Q000276:immunology; D012727:Sex Characteristics; D012859:Sjogren's Syndrome / Q000276:immunology
chemical_list: D000974:Antibodies, Antinuclear; D007070:Immunoglobulin A; D007075:Immunoglobulin M; C035356:SS-A antibodies; D012217:Rheumatoid Factor