Methicillin resistant staphylococci.
D006801:Humans; D008712:Methicillin / Q000494:pharmacology*; D010400:Penicillin G / Q000494:pharmacology; D010403:Penicillin Resistance; D013211:Staphylococcus aureus / Q000187:drug effects*
D010400:Penicillin G; D008712:Methicillin