| largely | 6 | degree |
| currently | 3 | temporal |
| well | 3 | degree |
| stem cell → be → studied | 13 |
| stem cell → be → researched | 9 |
| stem cell → be → investigated | 6 |
| stem cell → be → evaluated | 3 |
| negative | neutral | positive |
| 0.115 | 0.597 | 0.289 |
| Raw frequency | 31 |
| Normalized frequency | 0.471 |
| Modifier score | 0.500 |
| Perplexity | 84.139 |