title: Resistance of penicillins and cephalosporins to beta-lactamases from Gram-negative bacilli: some correlations with antibacterial activity.
mesh_terms: D000667:Ampicillin / Q000037:antagonists & inhibitors / Q000494:pharmacology; D002509:Cephaloridine / Q000037:antagonists & inhibitors / Q000494:pharmacology; D002511:Cephalosporins / Q000037:antagonists & inhibitors* / Q000494:pharmacology*; D002512:Cephalothin / Q000037:antagonists & inhibitors / Q000494:pharmacology; D003023:Cloxacillin / Q000037:antagonists & inhibitors / Q000494:pharmacology; D004926:Escherichia coli / Q000187:drug effects / Q000201:enzymology; D006868:Hydrolysis; D007709:Klebsiella / Q000187:drug effects / Q000201:enzymology; D010400:Penicillin G / Q000037:antagonists & inhibitors / Q000494:pharmacology; D010405:Penicillinase / Q000494:pharmacology*; D010406:Penicillins / Q000037:antagonists & inhibitors* / Q000494:pharmacology*; D011511:Proteus / Q000187:drug effects / Q000201:enzymology; D011549:Pseudomonas / Q000201:enzymology; D011550:Pseudomonas aeruginosa / Q000187:drug effects; D013045:Species Specificity
chemical_list: D002511:Cephalosporins; D010406:Penicillins; D000667:Ampicillin; D010405:Penicillinase; D002509:Cephaloridine; D003023:Cloxacillin; D010400:Penicillin G; D002512:Cephalothin