| from calvaria | 6 | location |
| from humerus | 5 | location |
| from nrf2 gene expression | 5 | other |
| dna → be → extracted | 13 |
| dna → be → isolated | 8 |
| negative | neutral | positive |
| 0.083 | 0.851 | 0.067 |
| Raw frequency | 21 |
| Normalized frequency | 0.955 |
| Modifier score | 0.500 |
| Perplexity | 98.987 |