[Serological progress in the study of rheumatoid arthritis].
D001172:Arthritis, Rheumatoid / Q000175:diagnosis*; D001797:Blood Protein Electrophoresis; D006386:Hemagglutination Tests; D006801:Humans; D008722:Methods; D012217:Rheumatoid Factor / Q000032:analysis*
D012217:Rheumatoid Factor
Serologische Fortschritte bei der Untersuchung der rheumatoid arthritis.