Dissemination of NDM-1-producing Pseudomonas aeruginosa ST308 and ST274 high-risk clones in Argentina Navegación de entradas A mechanism-based pharmacokinetic/pharmacodynamic analysis of polymyxin B-based combination therapy against carbapenem-resistant Klebsiella pneumoniae isolates with diverse phenotypic and genotypic resistance mechanisms Vitamin B12 promotes cefiderocol resistance and small-colony variants in carbapenem-resistant Acinetobacter baumannii