Ageing and false positive reactions for syphilis.
D000361:Agammaglobulinemia; D000368:Aged; D000375:Aging; D001323:Autoantibodies; D003937:Diagnosis, Differential; D006801:Humans; D007073:Immunoglobulin E; D066298:In Vitro Techniques; D008875:Middle Aged; D012217:Rheumatoid Factor; D013588:Syphilis Serodiagnosis
D001323:Autoantibodies; D007073:Immunoglobulin E; D012217:Rheumatoid Factor