| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| therapeutic level of fentanyl in blood | 1.18 | 1 | 179 | 82 | 38 |
| therapeutic | 1.91 | 0.4 | 1044 | 55 | 11 |
| level | 1.6 | 0.4 | 1670 | 50 | 5 |
| of | 1.92 | 1 | 6007 | 79 | 2 |
| fentanyl | 0.43 | 0.4 | 1809 | 24 | 8 |
| in | 1.03 | 0.5 | 6867 | 28 | 2 |
| blood | 0.35 | 1 | 1219 | 35 | 5 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| therapeutic level of fentanyl in blood | 0.24 | 0.3 | 1703 | 84 |
