title: Antibacterial activity of ampicillin alone and in combination with sulbactam correlated with beta-lactamase production.
mesh_terms: D000667:Ampicillin / Q000008:administration & dosage / Q000494:pharmacology*; D001419:Bacteria / Q000187:drug effects* / Q000201:enzymology; D004338:Drug Combinations; D010397:Penicillanic Acid / Q000008:administration & dosage / Q000494:pharmacology*; D010403:Penicillin Resistance; D013407:Sulbactam; D065093:beta-Lactamase Inhibitors; D001618:beta-Lactamases / Q000096:biosynthesis*
chemical_list: D004338:Drug Combinations; D065093:beta-Lactamase Inhibitors; D000667:Ampicillin; D010397:Penicillanic Acid; D001618:beta-Lactamases; D013407:Sulbactam