title: In vitro additive effect of polymxin B and rifampin against Serratia marcesen.
abstract: The combination of polymyxin B and rifampin resulted in an additive effect against all 12 clinical isolates of Serratia marcescens examined, including multiple-drug-resistant isolates.
mesh_terms: D004352:Drug Resistance, Microbial; D004357:Drug Synergism; D011113:Polymyxins / Q000494:pharmacology*; D012293:Rifampin / Q000494:pharmacology*; D012706:Serratia marcescens / Q000187:drug effects*
chemical_list: D011113:Polymyxins; D012293:Rifampin