| in the treatment of epilepsy | 8 | transitive-object |
| for nocturnal seizures | 5 | purpose |
| in adhd | 2 | location |
| phenytoin → be → effective | 9 |
| phenytoin → be → useful | 7 |
| phenytoin → be → the most useful | 4 |
| phenytoin → exert → its therapeutic effect | 4 |
| phenytoin → be → useful drug | 3 |
| phenytoin → be → drug | 3 |
| negative | neutral | positive |
| 0.071 | 0.424 | 0.505 |
| Raw frequency | 30 |
| Normalized frequency | 1.000 |
| Modifier score | 0.500 |
| Perplexity | 241.590 |