| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| literature search databases | 0.36 | 0.9 | 3526 | 78 | 27 |
| literature | 1.33 | 0.2 | 6743 | 1 | 10 |
| search | 0.88 | 0.5 | 3615 | 85 | 6 |
| databases | 1.37 | 0.4 | 9639 | 88 | 9 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| literature search databases | 1.24 | 0.1 | 2187 | 100 |
