Streptococci (Viridans group penicillin-resistant) and Erythromycin (E-mycin, Ery-tab, Benzamycin)
Concentration
(μg/ml)
4
3.6
3.2
2.8
2.4
2
1.6
1.2
0.8
0.4
Erythromycin (E-mycin, Ery-tab, Benzamycin)
2
0.5
Erythromycin (E-mycin, Ery-tab, Benzamycin)
4
1
Erythromycin (E-mycin, Ery-tab, Benzamycin)
4
4
1
2
3
MIC50
MIC90
Strain Number