title: Surveillance of MRS in Poland.
mesh_terms: D003428:Cross Infection / Q000382:microbiology; D006801:Humans; D008712:Methicillin / Q000494:pharmacology*; D010403:Penicillin Resistance; D011044:Poland; D013211:Staphylococcus aureus / Q000187:drug effects*; D013212:Staphylococcus epidermidis / Q000187:drug effects*
chemical_list: D008712:Methicillin