1. Quantitative and qualitative studies of antibody to streptococcal M protein;Anthony B. F.;J. Immunol.,1970
2. Armstrong A. S. G. D. Hansen H. H. Fricke and J. C. Holper. 1971. Vaccination of mice with streptococcal M protein. Bacteriol. Proc. p. 84.
3. New method for preparing immunizing antigens for the production of anti-M sera against certain serotypes of group A streptococci;Ashworth H.;J. Bacteriol.,1965
4. A type-specific protein from pneumococcus;Austrian R.;J. Exp. Med.,1949
5. Barkulis S. S. 1968. Chemical and enzymatic studies on the structure and composition of group A streptococcal cell walls p. 43-50. In R. Caravano (ed.) Current research on group A streptococcus. Excerpta Medica Foundation Amsterdam.