| Keyword | CPC | PCC | Volume | Length string | Score |
|---|---|---|---|---|---|
| clinicaltrials gov usa | 0.47 | 0.9 | 410 | 22 | 71 |
| clinical trials gov us | 1.99 | 0.3 | 2903 | 22 | 64 |
| clinical trials gov uk | 1.14 | 0.2 | 5575 | 22 | 55 |
| usa gov clinical trials | 0.27 | 0.1 | 1652 | 23 | 42 |
| clinical trials in the us | 1.81 | 1 | 9987 | 25 | 5 |
| us clinical trials website | 0.89 | 0.6 | 9795 | 26 | 42 |
| government clinical trials website | 0.98 | 0.3 | 5355 | 34 | 66 |
| clinical trials in the usa | 1.08 | 0.6 | 8963 | 26 | 85 |
| clinical trials government site | 0.04 | 0.7 | 1930 | 31 | 60 |
