title: Rheumatoid factors and amyloidosis in rheumatoid arthritis.
mesh_terms: D000328:Adult; D000368:Aged; D000686:Amyloidosis / Q000150:complications / Q000276:immunology*; D001172:Arthritis, Rheumatoid / Q000150:complications / Q000276:immunology*; D005260:Female; D006801:Humans; D007070:Immunoglobulin A / Q000276:immunology; D007074:Immunoglobulin G / Q000276:immunology; D007075:Immunoglobulin M / Q000276:immunology; D008297:Male; D008875:Middle Aged; D012217:Rheumatoid Factor / Q000276:immunology*
chemical_list: D007070:Immunoglobulin A; D007074:Immunoglobulin G; D007075:Immunoglobulin M; D012217:Rheumatoid Factor