| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| nih irta manual chapter | 0.41 | 0.7 | 1879 | 24 | 23 |
| nih | 1.6 | 0.2 | 5034 | 42 | 3 |
| irta | 1.23 | 0.5 | 3409 | 58 | 4 |
| manual | 0.3 | 0.8 | 4156 | 60 | 6 |
| chapter | 1.68 | 1 | 4920 | 99 | 7 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| nih irta manual chapter | 0.66 | 0.5 | 9599 | 37 |
