| after ingestion | 4 | temporal |
| later than oral fluid | 3 | other |
| till as long as six days | 3 | temporal |
| drug → be found in → urine | 11 |
| drug → be present in → urine | 9 |
| drug → appear in → the urine | 8 |
| drug → be present in → the urine specimen | 8 |
| drug → be present in → the urine | 5 |
| drug → be found in → the urine | 4 |
| drug → be present in → the urine sample | 3 |
| drug → be in → the urine | 3 |
| negative | neutral | positive |
| 0.350 | 0.605 | 0.046 |
| Raw frequency | 51 |
| Normalized frequency | 0.377 |
| Modifier score | 0.500 |
| Perplexity | 83.308 |