| with peripheral whole blood | 5 | other |
| in several previous studies | 5 | other |
| analytically | 4 | manner |
| assay → be → validated | 37 |
| assay → be validated for → use | 9 |
| assay → require → validation | 4 |
| negative | neutral | positive |
| 0.054 | 0.679 | 0.267 |
| Raw frequency | 50 |
| Normalized frequency | 0.568 |
| Modifier score | 1.000 |
| Perplexity | 193.554 |