title: Activity of sulbactam combinations against Escherichia coli isolates with known amounts of TEM-1 beta-lactamase.
authors.forename: D M
authors.initials: DM
authors.lastname: Livermore
mesh_terms: D000667:Ampicillin / Q000494:pharmacology; D002438:Cefoperazone / Q000494:pharmacology; D004357:Drug Synergism; D004359:Drug Therapy, Combination / Q000494:pharmacology; D004926:Escherichia coli / Q000187:drug effects* / Q000201:enzymology; D008826:Microbial Sensitivity Tests; D013407:Sulbactam / Q000494:pharmacology*; D001618:beta-Lactamases / Q000096:biosynthesis / Q000378:metabolism*
chemical_list: D000667:Ampicillin; D002438:Cefoperazone; D001618:beta-Lactamases; C034413:beta-lactamase TEM-1; D013407:Sulbactam