1. Distribution of rheumatoid factor activity in nonrheumatoid states;Bartfeld;Ann. NY Acad. Sci,1969
2. Characterization of the antigenic determinants and host components in immune complexes from patients with secondary syphilis;Baughn;J. Immunol,1986
3. Effects of the rheumatoid factor and antigen-antibody complexes on the vessels of the rat mesentery;Baum;J. Immunol,1964
4. Congenital syphilis in the United States;Brown;Clin. Pediatr. (Phila,1963
5. IgG rheumatoid factor in subacute bacterial endocarditis: relationship to IgM rheumatoid factor and circulating immune complexes;Carson;Clin. exp. Immunol,1978