Rheumatoid factor and renal disease in systemic lupus erythematosus.
D006801:Humans; D007674:Kidney Diseases / Q000276:immunology*; D008180:Lupus Erythematosus, Systemic / Q000276:immunology*; D011507:Proteinuria / Q000276:immunology; D012217:Rheumatoid Factor
D012217:Rheumatoid Factor