New antibiotic substances produced by beta hemolytic streptococci.
D000900:Anti-Bacterial Agents; D000904:Antibiotics, Antitubercular; D006801:Humans; D007239:Infections; D013290:Streptococcal Infections; D013291:Streptococcus
D000900:Anti-Bacterial Agents; D000904:Antibiotics, Antitubercular
ANTIBIOTICS; STREPTOCOCCI/infection