| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| primary journal article database | 1.48 | 0.7 | 9903 | 93 | 32 |
| primary | 1.69 | 1 | 4540 | 62 | 7 |
| journal | 0.32 | 0.4 | 207 | 30 | 7 |
| article | 1.73 | 0.9 | 3834 | 18 | 7 |
| database | 1.57 | 0.4 | 9436 | 44 | 8 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| primary journal article database | 0.57 | 0.1 | 4043 | 46 |
