Escherichia coli and Polymyxin E (Colistin)
Concentration
(μg/ml)
0.5
0.45
0.4
0.35
0.3
0.25
0.2
0.15
0.1
0.05
Polymyxin E (Colistin)
0.5
0.5
1
MIC50
MIC90
Strain Number