| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| register of clinical trials | 0.21 | 0.9 | 1062 | 86 | 27 |
| register | 0.41 | 0.1 | 411 | 11 | 8 |
| of | 1.79 | 0.7 | 5716 | 71 | 2 |
| clinical | 0.69 | 0.3 | 9139 | 51 | 8 |
| trials | 0.37 | 0.8 | 7370 | 6 | 6 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| register of clinical trials | 0.32 | 0.7 | 5369 | 5 |
