| ephedrine → be → drug | 7 |
| ephedrine → be → substance | 4 |
| ephedrine → be → cocaine | 3 |
| ephedrine → be → medication | 3 |
| ephedrine → interact with → other medicines | 3 |
| negative | neutral | positive |
| 0.286 | 0.661 | 0.053 |
| Raw frequency | 20 |
| Normalized frequency | 0.879 |
| Modifier score | 0.500 |
| Perplexity | 21.579 |