[Study of reactions for detection of the rheumatoid factor in the course of syphilis].
D001168:Arthritis; D001172:Arthritis, Rheumatoid / Q000097:blood*; D006801:Humans; D007159:Immunologic Tests; D012217:Rheumatoid Factor; D013587:Syphilis / Q000097:blood*
D012217:Rheumatoid Factor
ARTHRITIS, RHEUMATOID/blood; SYPHILIS/blood