title: [An extracellular penicillinase controlled by an R factor].
mesh_terms: D000667:Ampicillin / Q000494:pharmacology; D000900:Anti-Bacterial Agents / Q000494:pharmacology*; D001419:Bacteria / Q000187:drug effects*; D002228:Carbenicillin / Q000494:pharmacology; D002506:Cephalexin / Q000494:pharmacology; D002509:Cephaloridine / Q000494:pharmacology; D003023:Cloxacillin / Q000494:pharmacology; D004926:Escherichia coli / Q000187:drug effects; D008712:Methicillin / Q000494:pharmacology; D009268:Nalidixic Acid / Q000494:pharmacology; D010400:Penicillin G / Q000494:pharmacology; D010403:Penicillin Resistance; D010405:Penicillinase / Q000096:biosynthesis*; D010406:Penicillins / Q000494:pharmacology; D011513:Proteus mirabilis / Q000032:analysis*
chemical_list: D000900:Anti-Bacterial Agents; D010406:Penicillins; D009268:Nalidixic Acid; D000667:Ampicillin; D010405:Penicillinase; D002228:Carbenicillin; D002509:Cephaloridine; D003023:Cloxacillin; D002506:Cephalexin; D010400:Penicillin G; D008712:Methicillin
vernacular_title: Una penicillinasi extracellulare controllata da un fattore R