title: Natural and artificial penicillin resistance in Staphylococcus (Micrococcus pyogenes var. aureus).
authors.forename: W
authors.initials: W
authors.lastname: SZYBALSKI
mesh_terms: D008837:Micrococcus / Q000187:drug effects*; D010403:Penicillin Resistance; D010406:Penicillins / Q000494:pharmacology*; D013210:Staphylococcus; D013211:Staphylococcus aureus
chemical_list: D010406:Penicillins
keywords: MICROCOCCUS PYOGENES/effect of drugs on; PENICILLIN/effects