title: Polymyxin B-penicillin antagonism in Proteus mirabilis.
abstract: Polymyxin B protects Proteus mirabilis from usually lethal penicillin concentrations.
mesh_terms: D010400:Penicillin G / Q000037:antagonists & inhibitors / Q000494:pharmacology*; D011112:Polymyxin B / Q000494:pharmacology*; D011113:Polymyxins / Q000494:pharmacology*; D011513:Proteus mirabilis / Q000187:drug effects / Q000254:growth & development*
chemical_list: D011113:Polymyxins; D011112:Polymyxin B; D010400:Penicillin G