This study investigated the minimum inhibitory concentration (MIC) values and in vitro activity of colistin in combination with tigecycline against carbapenem-resistant Acinetobacter baumannii strains isolated from patients with ventilator-associated pneumonia (VAP) using the E-test method. | In vitro activity of colistin in combination with tigecycline against carbapenem resistant Acinetobacter baumannii strains isolated from patients with ventilator-associated pneumonia