| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| nih clinical trials definition | 1.46 | 0.9 | 9325 | 23 | 30 |
| nih | 0.77 | 0.9 | 8843 | 28 | 3 |
| clinical | 0.17 | 0.2 | 2804 | 7 | 8 |
| trials | 1.22 | 0.3 | 1621 | 78 | 6 |
| definition | 1.48 | 0.5 | 9192 | 7 | 10 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| nih clinical trials definition | 0.63 | 0.2 | 2209 | 99 |
| nih clinical trial definition decision tree | 0.04 | 0.2 | 5005 | 51 |
| nih clinical trial definition | 1.89 | 0.7 | 8656 | 21 |
| nih clinical trial phases definition | 1.04 | 0.7 | 6385 | 48 |
| phase 3 clinical trial definition nih | 0.49 | 0.3 | 4245 | 50 |
| clinical trial decision tree | 0.58 | 0.1 | 5086 | 69 |
| nih clinical trial decision tool | 1.54 | 0.9 | 7878 | 11 |
| nih defined clinical trial | 1.39 | 0.3 | 1268 | 19 |
| nih definition clinical trial | 0.63 | 0.8 | 7668 | 53 |
| nih human subjects research decision tree | 1.34 | 0.6 | 6545 | 99 |
| nih is this a clinical trial | 1.07 | 0.8 | 9418 | 40 |
| nih clinical trial design | 1.05 | 1 | 6061 | 63 |
| nih applicable clinical trial | 1.96 | 0.5 | 6848 | 74 |
| nih clinical trial search | 0.63 | 0.7 | 6092 | 59 |
| nih clinical trial dissemination policy | 1.35 | 0.1 | 5737 | 81 |
| nih clinical trial case studies | 0.95 | 0.1 | 7282 | 95 |
| clinical trials at nih | 1.85 | 0.2 | 9777 | 25 |
