title: Epidemiology of Gram-negative antibiotic resistance in outpatients: a year of surveillance.
authors: Clinical Microbiology Laboratory, L. Sacco Teaching Hospital, Via G. B. Grassi, 74, 20157 Milan, Italy. microbio@mailserver.unimi.it
authors: L
authors: L
authors: Drago
authors: B
authors: B
authors: Mombelli
authors: E
authors: E
authors: De Vecchi
authors: L
authors: L
authors: Tocalli
authors: G
authors: G
authors: Nardi
authors: M R
authors: MR
authors: Gismondo
mesh_terms: D004352:Drug Resistance, Microbial / Q000235:genetics*; D006090:Gram-Negative Bacteria / Q000187:drug effects / Q000235:genetics*; D016905:Gram-Negative Bacterial Infections / Q000188:drug therapy / Q000453:epidemiology / Q000382:microbiology*; D006801:Humans; D017720:Molecular Epidemiology; D010045:Outpatients; D018571:Sentinel Surveillance