| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| german clinical trials register | 0.39 | 0.7 | 9721 | 67 | 31 |
| german | 1.09 | 0.1 | 2026 | 88 | 6 |
| clinical | 0.46 | 1 | 7646 | 89 | 8 |
| trials | 1.88 | 0.9 | 9571 | 61 | 6 |
| register | 1.37 | 0.8 | 6637 | 88 | 8 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| german clinical trials register | 1.48 | 0.1 | 3614 | 76 |
| german clinical trials register drks | 1.73 | 1 | 8131 | 72 |
| clinical trials register eu | 1.49 | 1 | 7142 | 93 |
| european clinical trials register | 0.13 | 0.9 | 3848 | 73 |
| register of clinical trials | 1.63 | 0.2 | 3817 | 51 |
| clinical trials register uk | 0.24 | 0.3 | 3171 | 74 |
| clinical trials register usa | 1.9 | 0.5 | 2812 | 85 |
| clinical trials register search | 1.81 | 0.4 | 3409 | 33 |
| registration of clinical trials | 1.49 | 0.8 | 5267 | 95 |
| european clinical trials registry | 1.72 | 0.2 | 2770 | 17 |
| clinical trial registry eu | 1.98 | 0.9 | 1645 | 7 |
| eu clinical trials registry | 1.33 | 0.1 | 313 | 23 |
| eu clinical trial register search | 1.51 | 0.7 | 761 | 60 |
| uk clinical trial register | 1.11 | 1 | 8480 | 44 |
| clinical trial for registration | 0.28 | 0.2 | 9683 | 64 |
| clinicaltrialsregister.eu | 0.62 | 0.9 | 3204 | 93 |
| netherlands clinical trial registry | 1.85 | 0.2 | 728 | 20 |
| clinical trial registration uk | 1.29 | 0.6 | 1384 | 24 |
