| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| clinical trials register search | 0.92 | 0.9 | 3596 | 68 | 31 |
| clinical | 1.9 | 0.7 | 5667 | 1 | 8 |
| trials | 1.95 | 0.6 | 2125 | 97 | 6 |
| register | 1.22 | 0.9 | 2593 | 25 | 8 |
| search | 0.18 | 0.2 | 3189 | 11 | 6 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| clinical trials register search | 1.89 | 0.9 | 3886 | 91 |
| eu clinical trials register search | 1.28 | 0.1 | 9126 | 69 |
| register of clinical trials | 1.37 | 0.6 | 7435 | 42 |
| clinical trials register uk | 2 | 0.4 | 5046 | 82 |
| search for clinical trials | 1.23 | 0.4 | 7337 | 26 |
| registration of clinical trials | 1.8 | 0.7 | 754 | 45 |
| clinical trials register usa | 1.06 | 0.5 | 940 | 60 |
| registry of clinical trials | 1.12 | 0.6 | 7286 | 69 |
| trial search clinical trials | 0.49 | 0.6 | 3559 | 68 |
| uk clinical trial register | 0.24 | 0.8 | 4530 | 60 |
| nhs clinical trials register | 0.14 | 1 | 4740 | 5 |
| clinical trials registry uk | 1.77 | 0.1 | 9090 | 36 |
| list of clinical trial registries | 0.13 | 0.7 | 2835 | 35 |
| clinical trials registry australia | 1.54 | 0.7 | 1783 | 92 |
| us clinical trials registry | 1.56 | 0.9 | 1334 | 21 |
| clinical trial for registration | 1.64 | 0.3 | 7238 | 82 |
| clinical trials registry usa | 1.39 | 0.2 | 2246 | 73 |
| australian clinical trial register | 0.43 | 1 | 4675 | 66 |
| clinical trial online registration | 1.06 | 0.4 | 5380 | 79 |
| clinical trial registry number | 0.12 | 0.9 | 8001 | 40 |
| clinical trial registration uk | 0.14 | 0.7 | 6757 | 97 |
