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3. Persistence of streptococcal antibody in patients with rheumatic valvular disease;Dudding;J. Exp. Med.,1968
4. Comparison of the titers of ASO, anti-DNase, and antibodies against the group polysaccharide of group A streptococci in children with streptococcal infections;Goedbolk-DeGroot;J. Clin. Pathol.,1974
5. Discrepancy between results of the streptozyme tests and those of the antideoxyribonuclease B and antihyaluronidase tests;Hederstedt;J. Clin. Microbiol.,1978