| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| nih library document delivery | 1.21 | 1 | 8805 | 100 | 29 |
| nih | 0.47 | 0.8 | 3232 | 38 | 3 |
| library | 1.23 | 0.3 | 8230 | 88 | 7 |
| document | 1.66 | 0.5 | 2978 | 99 | 8 |
| delivery | 0.01 | 0.4 | 9910 | 41 | 8 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| nih library document delivery | 0.16 | 0.6 | 5927 | 36 |
