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| system | final halo average (cm) | cytotoxicity |
|---|---|---|
| control + | 1.2 | severe |
| control – | 0 | absence |
| PU | 0.3 | light |
| PU95CTS5 | 0.4 | mild |
| PU90CTS10 | 0.2 | light |
| PU85CTS15 | 0.3 | light |
| PU75CTS25 | 0.4 | mild |
| PU50CTS50 | 0.3 | light |
| PU25CTS75 | 0.3 | light |
