[Mechanism of appearance of penicillin-resistant forms].
D001419:Bacteria / Q000494:pharmacology*; D010403:Penicillin Resistance; D010406:Penicillins / Q000494:pharmacology*; D013210:Staphylococcus / Q000494:pharmacology*
D010406:Penicillins
BACTERIA/pharmacology; PENICILLIN/pharmacology; STAPHYLOCOCCUS/pharmacology