Diagnosis of rheumatoid arthritis and systemic lupus erythematosus.
D000328:Adult; D001172:Arthritis, Rheumatoid / Q000175:diagnosis*; D003937:Diagnosis, Differential; D005921:Glomerulonephritis / Q000175:diagnosis; D006801:Humans; D008180:Lupus Erythematosus, Systemic / Q000175:diagnosis*; D008297:Male