| on the body | 28 | location |
| on the function of the brain | 21 | transitive-object |
| on a surrogate endpoint | 16 | transitive-object |
| drug → have → effect | 487 |
| drug → have → the effect | 69 |
| drug → have → physiological effect | 12 |
| drug → have → active effect | 9 |
| drug → have → its effect | 5 |
| drug → have → biological effect | 5 |
| negative | neutral | positive |
| 0.316 | 0.588 | 0.095 |
| Raw frequency | 587 |
| Normalized frequency | 0.703 |
| Modifier score | 0.773 |
| Perplexity | 164.455 |