1. The agglutination reaction in rheumatoid arthritis;Ziff;J. chron. Dis.,1957
2. Serum responses in rheumatoid arthritis;Vaughan;Amer. J. Med.,1959
3. Current status of the rheumatoid factor;Vaughan;Ann. intern. Med.,1962
4. Characteristics of Streptococci isolated from patients with rheumatic fever and chronic infectious arthritis;Cecil;Amer. J. Path.,1930
5. Differential agglutination of normal and sensitized sheep erythrocytes by sera of patients with rheumatoid arthritis;Rose,1948