title: Possible factors involving staphylococci colonization.
mesh_terms: D002353:Carrier State; D003030:Coagulase; D003428:Cross Infection; D006801:Humans; D009666:Nose / Q000382:microbiology; D010405:Penicillinase; D010564:Personnel, Hospital; D013210:Staphylococcus / Q000302:isolation & purification*
chemical_list: D003030:Coagulase; D010405:Penicillinase