| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| human subjects nih guidelines | 0.66 | 0.6 | 9239 | 13 | 29 |
| human | 0.37 | 1 | 6116 | 38 | 5 |
| subjects | 1.55 | 0.1 | 6849 | 40 | 8 |
| nih | 1.36 | 0.8 | 5462 | 34 | 3 |
| guidelines | 0.99 | 0.4 | 9064 | 26 | 10 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| human subjects nih guidelines | 0.54 | 0.1 | 2477 | 23 |
