| from a chemical viewpoint | 9 | other |
| certainly | 3 | manner |
| currently | 2 | temporal |
| drug → be → discussed | 45 |
| drug → be under → consideration | 10 |
| drug → be contemplated for → use | 3 |
| negative | neutral | positive |
| 0.214 | 0.698 | 0.087 |
| Raw frequency | 58 |
| Normalized frequency | 0.395 |
| Modifier score | 0.733 |
| Perplexity | 39.996 |