title: T-cell subsets in the differential diagnosis of rheumatoid arthritis and systemic lupus erythematosus.
mesh_terms: D001172:Arthritis, Rheumatoid / Q000473:pathology*; D003937:Diagnosis, Differential; D006801:Humans; D008180:Lupus Erythematosus, Systemic / Q000473:pathology*; D013601:T-Lymphocytes / Q000145:classification*