title: [Combination effect between  -lactamase resistant penicillins and ampicillin or cephaloridine].
mesh_terms: D000667:Ampicillin / Q000494:pharmacology*; D002509:Cephaloridine / Q000494:pharmacology*; D003023:Cloxacillin / Q000494:pharmacology*; D004009:Dicloxacillin / Q000494:pharmacology; D004357:Drug Synergism; D004755:Enterobacteriaceae / Q000187:drug effects; D004926:Escherichia coli / Q000187:drug effects; D006867:Hydrolases; D007709:Klebsiella / Q000187:drug effects; D008826:Microbial Sensitivity Tests; D010080:Oxazoles / Q000494:pharmacology*; D010406:Penicillins / Q000494:pharmacology*; D011550:Pseudomonas aeruginosa / Q000187:drug effects
chemical_list: D010080:Oxazoles; D010406:Penicillins; D000667:Ampicillin; D004009:Dicloxacillin; D006867:Hydrolases; D002509:Cephaloridine; D003023:Cloxacillin