| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| human subjects nih review | 0.95 | 1 | 1152 | 100 | 25 |
| human | 0.25 | 0.4 | 9086 | 48 | 5 |
| subjects | 0.75 | 0.4 | 4102 | 93 | 8 |
| nih | 1.16 | 0.4 | 6061 | 74 | 3 |
| review | 1.15 | 0.9 | 9292 | 21 | 6 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| human subjects nih review | 0.36 | 0.9 | 6879 | 67 |
