| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| european clinical trials register | 1.53 | 0.1 | 4748 | 9 | 33 |
| european | 0.33 | 0.5 | 2694 | 92 | 8 |
| clinical | 0.02 | 0.1 | 9556 | 56 | 8 |
| trials | 1.7 | 0.5 | 5563 | 16 | 6 |
| register | 0.83 | 0.2 | 7563 | 44 | 8 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| european clinical trials register | 1.67 | 0.6 | 6228 | 78 |
