| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| clinical trials register search | 0.61 | 0.4 | 1670 | 42 | 31 |
| clinical | 0.97 | 0.2 | 6154 | 11 | 8 |
| trials | 1.4 | 0.8 | 899 | 52 | 6 |
| register | 0.59 | 0.6 | 7468 | 93 | 8 |
| search | 0.97 | 0.3 | 9403 | 88 | 6 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| clinical trials register search | 1.54 | 0.2 | 2527 | 71 |
| eu clinical trials register search | 1.74 | 0.6 | 2181 | 11 |
| register of clinical trials | 0.67 | 1 | 9000 | 73 |
| clinical trials register uk | 1.97 | 0.8 | 2675 | 9 |
| search for clinical trials | 0.68 | 0.1 | 6620 | 49 |
| registration of clinical trials | 0.91 | 0.2 | 7533 | 57 |
| clinical trials register usa | 1.79 | 0.9 | 1668 | 9 |
| registry of clinical trials | 0.96 | 0.7 | 2588 | 59 |
| trial search clinical trials | 0.36 | 0.7 | 5826 | 98 |
| uk clinical trial register | 0.98 | 0.3 | 1957 | 82 |
| nhs clinical trials register | 1.62 | 0.1 | 9932 | 90 |
| clinical trials registry uk | 1.56 | 1 | 7572 | 85 |
| list of clinical trial registries | 1.08 | 0.5 | 2580 | 86 |
| clinical trials registry australia | 1.6 | 0.7 | 2783 | 18 |
| us clinical trials registry | 0.57 | 1 | 9238 | 70 |
| clinical trial for registration | 1.2 | 0.2 | 4126 | 43 |
| clinical trials registry usa | 0.56 | 0.2 | 2511 | 85 |
| australian clinical trial register | 0.37 | 0.3 | 4655 | 50 |
| clinical trial online registration | 0.91 | 0.1 | 8767 | 31 |
| clinical trial registry number | 0.62 | 0.9 | 8489 | 78 |
| clinical trial registration uk | 0.98 | 1 | 7122 | 98 |
