| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| nlm nih library catalog | 1.92 | 0.5 | 2979 | 55 | 23 |
| nlm | 0.64 | 1 | 7776 | 52 | 3 |
| nih | 0.25 | 0.8 | 5211 | 45 | 3 |
| library | 0.51 | 0.2 | 6075 | 20 | 7 |
| catalog | 1.05 | 0.8 | 9332 | 25 | 7 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| nlm nih library catalog | 1.01 | 0.5 | 5829 | 86 |
