[Differential diagnosis of chronic polyarthritis].
D001172:Arthritis, Rheumatoid / Q000175:diagnosis*; D003937:Diagnosis, Differential; D006801:Humans; D012217:Rheumatoid Factor / Q000032:analysis; D012698:Serologic Tests
D012217:Rheumatoid Factor
Differentialdiagnose der chronischen Polyarthritis.