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Interpretation of zones of inhibition given by positive and negative control against the selected bacterial strains.
| Bacteria | ZOI of positive control (in mm) | Negative control | ||
|---|---|---|---|---|
| Gentamicin | Cefotaxime | Clotrimazole | Ethyl acetate | |
| Staphylococcus aureus | 16 | 20 | 20 | — |
| Bacillus cereus | 20 | 13 | 15 | — |
| Escherichia coli | 18 | 21 | — | — |
| Klebsiella pneumoniae | 15 | 18 | 14 | — |
