Antibiotic studies on beta hemolytic streptococci; penicillin resistance acquired by group A organisms.
D000900:Anti-Bacterial Agents; D006801:Humans; D010403:Penicillin Resistance; D010406:Penicillins; D013290:Streptococcal Infections; D013291:Streptococcus
D000900:Anti-Bacterial Agents; D010406:Penicillins
ANTIBIOTICS; PENICILLIN/resistance; STREPTOCOCCI/hemolytic