Proteus spp. (indole-positive) and Cefoxitin (Mefoxin)
Concentration
(μg/ml)
16
14.4
12.8
11.2
9.6
8
6.4
4.8
3.2
1.6
Cefoxitin (Mefoxin)
16
4
1
MIC50
MIC90
Strain Number