| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| open access review articles | 1.88 | 0.1 | 1961 | 61 | 27 |
| open | 0.16 | 0.6 | 1546 | 4 | 4 |
| access | 1.8 | 0.8 | 4582 | 23 | 6 |
| review | 0.31 | 0.5 | 7887 | 81 | 6 |
| articles | 1.55 | 0.4 | 4806 | 5 | 8 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| open access review articles | 1.97 | 0.3 | 4007 | 25 |
