| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| netherlands clinical trial registry | 1.97 | 0.5 | 997 | 96 | 35 |
| netherlands | 1.29 | 0.4 | 7009 | 47 | 11 |
| clinical | 0.88 | 0.3 | 794 | 93 | 8 |
| trial | 1.14 | 0.1 | 6927 | 96 | 5 |
| registry | 1.93 | 0.8 | 686 | 80 | 8 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| netherlands clinical trial registry | 1.73 | 0.6 | 8798 | 62 |
| clinical trial registry eu | 0.22 | 0.3 | 5618 | 7 |
| the netherlands national trial register | 0.44 | 0.6 | 9297 | 99 |
| germany clinical trial registry | 0.66 | 0.6 | 5589 | 20 |
| european clinical trial registry | 1.18 | 0.8 | 1259 | 87 |
| registry of clinical trials | 0.68 | 0.3 | 909 | 58 |
| national clinical trials registry | 1.54 | 0.7 | 1564 | 72 |
| clinical trial register eu | 0.7 | 0.7 | 4670 | 20 |
| european registry clinical trials | 1.76 | 0.8 | 9702 | 36 |
| new zealand clinical trials registry | 0.58 | 0.3 | 601 | 90 |
| european clinical trial register | 0.1 | 0.9 | 8627 | 16 |
| german clinical trial register | 0.62 | 0.6 | 6657 | 57 |
| clinical trials registry uk | 0.27 | 0.5 | 7100 | 61 |
| who clinical trials registry | 1.46 | 0.1 | 8930 | 43 |
| who international clinical trials registry | 1.98 | 0.6 | 3809 | 68 |
| nhs clinical trials register | 0.92 | 0.2 | 3739 | 82 |
| register of clinical trials | 1.33 | 0.5 | 5877 | 75 |
| clinicaltrialsregister.eu | 1.54 | 0.1 | 896 | 9 |
