Changes in sensitivity of Micrococcus pyogenes to erythromycin over a period of 2 years.
D004917:Erythromycin / Q000494:pharmacology*; D008837:Micrococcus / Q000187:drug effects*; D013211:Staphylococcus aureus
D004917:Erythromycin
ERYTHROMYCIN/effects; MICROCOCCUS PYOGENES/effect of drugs on