Serratia rubidaea and Imipenem
Concentration
(μg/ml)
4
3.6
3.2
2.8
2.4
2
1.6
1.2
0.8
0.4
Imipenem
1
0.5
Imipenem
2
0.5
Imipenem
4
1
1
2
3
MIC50
MIC90
Strain Number