1. The agglutination reaction in rheumatoid arthritis;Ziff;J. Chron. Dis.,1957
2. Recent modifications in serological tests for rheumatoid arthritis;Bloch;Bull. Rheumat. Dis.,1960
3. Observations of a precipitin reaction between serum of patient with rheumatoid arthritis and a preparation (Cohn fraction II) of human gamma globulin;Epstein,1956
4. Differential agglutination of normal and sensitized sheep erythrocytes by sera of patients with rheumatoid arthritis;Rose,1948
5. A modification of the hemagglutination test for rheumatoid arthritis;Heller,1949