Inhibition of complement fixation by rheumatoid sera.
D000937:Antigen-Antibody Reactions; D002845:Chromatography; D003165:Complement System Proteins; D006801:Humans; D066298:In Vitro Techniques; D012217:Rheumatoid Factor; D005719:gamma-Globulins
D005719:gamma-Globulins; D003165:Complement System Proteins; D012217:Rheumatoid Factor