| currently | 6 | temporal |
| extensively | 4 | degree |
| well | 3 | degree |
| therapy → be → studied | 26 |
| therapy → be → researched | 16 |
| therapy → be → investigated | 14 |
| therapy → be researched → effective | 3 |
| therapy → be → research | 3 |
| negative | neutral | positive |
| 0.133 | 0.565 | 0.302 |
| Raw frequency | 62 |
| Normalized frequency | 0.533 |
| Modifier score | 0.775 |
| Perplexity | 44.911 |