title: [Existence of R-protein antigens in group F streptococcal cells.--Investigation with cells of group F streptococcal reference stain O'Mahoney (Colindale)].
mesh_terms: D000942:Antigens, Bacterial / Q000302:isolation & purification*; D001426:Bacterial Proteins / Q000276:immunology*; D000939:Epitopes; D005779:Immunodiffusion; D013291:Streptococcus / Q000276:immunology*
chemical_list: D000942:Antigens, Bacterial; D001426:Bacterial Proteins; D000939:Epitopes