Table 14.
Most common clue expressions for Source = Other
| Clue | Freq |
|---|---|
| previously | 118 |
| has been | 89 |
| recently | 67 |
| have been | 39 |
| previous studies | 24 |
| recent studies | 17 |
| recent | 15 |
| previous | 14 |
| our previous studies | 10 |
| earlier | 6 |
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