What about IgA rheumatoid factor in rheumatoid arthritis?
Jónsson
T
T
Valdimarsson
H
H
D001172:Arthritis, Rheumatoid / Q000276:immunology*; D006801:Humans; D007070:Immunoglobulin A / Q000276:immunology*; D007075:Immunoglobulin M / Q000276:immunology*; D012217:Rheumatoid Factor / Q000276:immunology*
D007070:Immunoglobulin A; D007075:Immunoglobulin M; D012217:Rheumatoid Factor