Clostridium difficile and Piperacillin (Pipracil)
Concentration
(μg/ml)
8
7.2
6.4
5.6
4.8
4
3.2
2.4
1.6
0.8
Piperacillin (Pipracil)
4
0.5
Piperacillin (Pipracil)
8
8
1
2
MIC50
MIC90
Strain Number