| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| half life of fentanyl inhalation | 1.03 | 0.9 | 4001 | 71 | 32 |
| half | 0.72 | 1 | 9840 | 48 | 4 |
| life | 1.81 | 0.4 | 6950 | 4 | 4 |
| of | 1.54 | 0.9 | 889 | 63 | 2 |
| fentanyl | 2 | 0.9 | 9243 | 50 | 8 |
| inhalation | 0.2 | 0.9 | 4986 | 76 | 10 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| half life of fentanyl inhalation | 0.39 | 0.5 | 12 | 93 |
