title: Interference by an alpha-hemolytic streptococcus of beta-hemolytic pathogenic streptococci.
mesh_terms: D001430:Bacteriocins / Q000276:immunology*; D003429:Cross Reactions; D013290:Streptococcal Infections / Q000276:immunology* / Q000517:prevention & control; D013291:Streptococcus / Q000276:immunology*; D013292:Streptococcus agalactiae / Q000276:immunology; D013297:Streptococcus pyogenes / Q000276:immunology
chemical_list: D001430:Bacteriocins