| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| nih clinical trials definition | 0.16 | 0.4 | 6470 | 32 | 30 |
| nih | 0.27 | 0.6 | 1322 | 26 | 3 |
| clinical | 0.6 | 0.1 | 925 | 100 | 8 |
| trials | 1.18 | 0.6 | 3856 | 47 | 6 |
| definition | 1.38 | 0.7 | 9884 | 3 | 10 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| nih clinical trials definition | 0.77 | 0.4 | 8256 | 36 |
| nih clinical trial definition decision tree | 0.04 | 0.2 | 3363 | 2 |
| nih clinical trial definition | 0.25 | 0.5 | 1448 | 28 |
| nih clinical trial phases definition | 0.29 | 0.2 | 6776 | 84 |
| phase 3 clinical trial definition nih | 0.67 | 0.3 | 2324 | 53 |
| clinical trial decision tree | 1.87 | 0.3 | 7208 | 8 |
| nih clinical trial decision tool | 1.35 | 0.1 | 2204 | 84 |
| nih defined clinical trial | 1.86 | 0.6 | 8134 | 54 |
| nih definition clinical trial | 1.1 | 0.8 | 2826 | 32 |
| nih human subjects research decision tree | 0.77 | 0.7 | 2127 | 62 |
| nih is this a clinical trial | 0.19 | 0.8 | 5110 | 79 |
| nih clinical trial design | 0.34 | 1 | 7500 | 93 |
| nih applicable clinical trial | 0.92 | 0.3 | 1438 | 31 |
| nih clinical trial search | 0.84 | 0.4 | 8505 | 66 |
| nih clinical trial dissemination policy | 0.29 | 0.9 | 9917 | 3 |
| nih clinical trial case studies | 0.73 | 0.2 | 4943 | 55 |
| clinical trials at nih | 1.39 | 0.3 | 5176 | 56 |
