Streptococci (Viridans group penicillin-resistant) and Ofloxacin (Floxin)
Concentration
(μg/ml)
4
3.6
3.2
2.8
2.4
2
1.6
1.2
0.8
0.4
Ofloxacin (Floxin)
2
2
Ofloxacin (Floxin)
4
2
1
2
MIC50
MIC90
Strain Number