Table 1.
The relationship between cell RGR and cytotoxicity grade in Pharmacopoeia in the United States.
| RGR | Cytotoxicity grade |
|---|---|
| ≥100 | 0 |
| ≥80 | 1 |
| ≥50 | 2 |
| ≥30 | 3 |
| ≥0 | 4 |
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