Serratia marcescens and Aztreonam (Azactam)
Concentration
(μg/ml)
4
3.6
3.2
2.8
2.4
2
1.6
1.2
0.8
0.4
Aztreonam (Azactam)
0.5
0.12
Aztreonam (Azactam)
0.5
0.125
Aztreonam (Azactam)
4
0.5
1
2
3
MIC50
MIC90
Strain Number