| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| american preclinical services warning letter | 1.01 | 0.4 | 2196 | 39 | 44 |
| american | 1.02 | 0.7 | 1941 | 14 | 8 |
| preclinical | 1.38 | 0.2 | 7767 | 64 | 11 |
| services | 0.5 | 0.3 | 2167 | 24 | 8 |
| warning | 1.8 | 0.9 | 9395 | 31 | 7 |
| letter | 0.08 | 1 | 5750 | 93 | 6 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| american preclinical services warning letter | 1.71 | 0.7 | 2866 | 28 |
