Isolation of penicillin-susceptible mutants from penicillinase-producing strains of M. pyogenes.
D006801:Humans; D008837:Micrococcus; D010405:Penicillinase; D010406:Penicillins / Q000494:pharmacology*; D013180:Sprains and Strains; D013211:Staphylococcus aureus
D010406:Penicillins; D010405:Penicillinase
MICROCOCCUS PYOGENES; PENICILLIN/effects