The synergistic action of the sulfonamides and the polymyxins against Serratia marcescens.
D004357:Drug Synergism; D008826:Microbial Sensitivity Tests; D011113:Polymyxins / Q000494:pharmacology*; D012706:Serratia marcescens / Q000187:drug effects* / Q000302:isolation & purification; D013411:Sulfadiazine / Q000494:pharmacology*
D011113:Polymyxins; D013411:Sulfadiazine