title: More extended-spectrum beta-lactamases.
authors.affiliation: Massachusetts General Hospital, Boston 02114.
authors.forename: G A
authors.initials: GA
authors.lastname: Jacoby
authors.forename: A A
authors.initials: AA
authors.lastname: Medeiros
mesh_terms: D000900:Anti-Bacterial Agents / Q000494:pharmacology; D004352:Drug Resistance, Microbial; D006801:Humans; D008826:Microbial Sensitivity Tests; D065093:beta-Lactamase Inhibitors; D001618:beta-Lactamases / Q000145:classification* / Q000302:isolation & purification; D047090:beta-Lactams
chemical_list: D000900:Anti-Bacterial Agents; D065093:beta-Lactamase Inhibitors; D047090:beta-Lactams; D001618:beta-Lactamases