| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| nih clinical trial definition | 0.14 | 0.3 | 9799 | 6 | 29 |
| nih | 1.97 | 0.4 | 9264 | 62 | 3 |
| clinical | 0.67 | 0.4 | 9601 | 71 | 8 |
| trial | 1.12 | 0.6 | 4804 | 78 | 5 |
| definition | 0.23 | 0.3 | 7112 | 25 | 10 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| nih clinical trial definition | 1.39 | 0.4 | 4534 | 98 |
| nih clinical trial definition decision tree | 1.62 | 0.7 | 9688 | 48 |
| nih clinical trial phases definition | 1.18 | 0.6 | 5037 | 83 |
| phase 3 clinical trial definition nih | 0.36 | 0.4 | 9455 | 31 |
| clinical trial decision tree | 1.5 | 0.8 | 7745 | 100 |
| nih clinical trial decision tool | 1.33 | 0.8 | 4381 | 82 |
| nih defined clinical trial | 0.67 | 0.7 | 2826 | 67 |
| nih definition clinical trial | 0.9 | 0.3 | 8409 | 94 |
| nih human subjects research decision tree | 0.91 | 0.8 | 7681 | 91 |
| nih is this a clinical trial | 1.63 | 0.1 | 457 | 83 |
| nih clinical trial design | 1.59 | 0.8 | 7643 | 78 |
| nih applicable clinical trial | 1.89 | 0.4 | 9049 | 37 |
| nih clinical trial search | 0.73 | 0.1 | 2559 | 95 |
| nih clinical trial dissemination policy | 1.88 | 0.3 | 2056 | 7 |
| nih clinical trial case studies | 0.87 | 0.3 | 163 | 15 |
| clinical trials at nih | 0.96 | 0.1 | 2745 | 33 |
