[Role and significance of penicillin-resistant staphylococci in hospital environment. (Preliminary communication)].
D003142:Communication; D006761:Hospitals; D010403:Penicillin Resistance; D010406:Penicillins / Q000494:pharmacology*; D013210:Staphylococcus / Q000494:pharmacology*
D010406:Penicillins
HOSPITALS; PENICILLIN/pharmacology; STAPHYLOCOCCUS/pharmacology