Nosocomial staphylococcal infections.
D003428:Cross Infection / Q000517:prevention & control*; D006801:Humans; D008712:Methicillin / Q000494:pharmacology; D010403:Penicillin Resistance; D013203:Staphylococcal Infections / Q000517:prevention & control*; D013211:Staphylococcus aureus / Q000187:drug effects
D008712:Methicillin