title: Cell-mediated immunity to micro-organisms in rheumatoid arthritis.
mesh_terms: D001172:Arthritis, Rheumatoid / Q000276:immunology*; D002464:Cell Migration Inhibition; D004165:Diphtheria / Q000276:immunology; D006073:Gout / Q000276:immunology; D006801:Humans; D006968:Hypersensitivity, Delayed; D007111:Immunity, Cellular; D008213:Lymphocyte Activation; D009174:Mycoplasma / Q000276:immunology