Streptococci (Viridans group) and Imipenem
Concentration
(μg/ml)
1
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
Imipenem
0.25
0.03
Imipenem
1
0.064
1
2
MIC50
MIC90
Strain Number