title: Comparison of streptococcal R antigens.
abstract: At least four distinct nonspecific protein R antigens were found in streptococci of groups A, B, and C by immunodiffusion in agar gel with anti-R sera.
mesh_terms: D000942:Antigens, Bacterial / Q000032:analysis*; D001426:Bacterial Proteins / Q000032:analysis*; D003429:Cross Reactions; D005779:Immunodiffusion; D012703:Serotyping; D013291:Streptococcus / Q000276:immunology*
chemical_list: D000942:Antigens, Bacterial; D001426:Bacterial Proteins