| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| impact factor of nih | 1.04 | 0.2 | 4100 | 75 | 20 |
| impact | 0.51 | 0.7 | 4986 | 20 | 6 |
| factor | 1.16 | 0.3 | 3492 | 34 | 6 |
| of | 0.65 | 0.7 | 5596 | 99 | 2 |
| nih | 1.87 | 0.8 | 2946 | 97 | 3 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| impact factor of nih | 1.13 | 0.8 | 1519 | 57 |
