Penicillin-resistant Staphylococci in the general population.
D008837:Micrococcus; D010406:Penicillins / Q000494:pharmacology*; D013210:Staphylococcus; D013211:Staphylococcus aureus
D010406:Penicillins
MICROCOCCUS PYOGENES; PENICILLIN/effects