| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| nih library apc | 1.58 | 0.1 | 2590 | 53 | 15 |
| nih | 1.13 | 0.9 | 7630 | 40 | 3 |
| library | 1.31 | 0.7 | 8299 | 67 | 7 |
| apc | 0.21 | 0.3 | 5288 | 57 | 3 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| nih library apc pilot | 1.57 | 0.4 | 7006 | 31 |
| nih library apc | 2 | 0.1 | 625 | 12 |
