title: Nosocomial outbreaks of multiresistant bacteria: extended-spectrum beta-lactamases have arrived in North America.
authors.forename: A A
authors.initials: AA
authors.lastname: Medeiros
mesh_terms: D001419:Bacteria / Q000201:enzymology*; D003428:Cross Infection / Q000453:epidemiology* / Q000382:microbiology*; D004196:Disease Outbreaks; D004352:Drug Resistance, Microbial; D006801:Humans; D009519:New York City / Q000453:epidemiology; D001618:beta-Lactamases / Q000096:biosynthesis*
chemical_list: D001618:beta-Lactamases