The growing edge of medicine. Immunological features of the collagen diseases.
D001172:Arthritis, Rheumatoid / Q000276:immunology*; D001327:Autoimmune Diseases / Q000276:immunology*; D006801:Humans; D008180:Lupus Erythematosus, Systemic / Q000276:immunology*; D012217:Rheumatoid Factor
D012217:Rheumatoid Factor