| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| therapeutic level of fentanyl in blood | 1.59 | 0.1 | 314 | 87 | 38 |
| therapeutic | 1.9 | 0.9 | 2148 | 72 | 11 |
| level | 0.83 | 0.2 | 6523 | 97 | 5 |
| of | 0.55 | 0.9 | 163 | 41 | 2 |
| fentanyl | 0.29 | 0.2 | 2410 | 85 | 8 |
| in | 1.91 | 0.6 | 8329 | 48 | 2 |
| blood | 1.09 | 0.1 | 7820 | 18 | 5 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| therapeutic level of fentanyl in blood | 0.2 | 1 | 52 | 4 |
