| Typicality: | 0.571 |
| Saliency: | 0.458 |
| with mixed results | 7 | other |
| late last year | 4 | temporal |
| in 1998 | 4 | temporal |
| drug → enter → clinical trials | 59 |
| drug → enter → human clinical trials | 10 |
| drug → enter → human trials | 8 |
| drug → entered → clinical trials | 6 |
| drug → enter → clinical trial | 4 |
| drug → enter into → clinical trials | 3 |
| drug → enter → clinical studies | 3 |
| negative | neutral | positive |
| 0.237 | 0.555 | 0.208 |
| Raw frequency | 93 |
| Normalized frequency | 0.458 |
| Modifier score | 0.887 |
| Perplexity | 156.423 |