| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| what causes extrathoracic obstruction | 0.56 | 0.1 | 7173 | 83 | 37 |
| what | 0.68 | 0.5 | 2227 | 51 | 4 |
| causes | 2 | 0.1 | 6234 | 71 | 6 |
| extrathoracic | 1.39 | 0.8 | 1099 | 26 | 13 |
| obstruction | 0.25 | 0.7 | 621 | 43 | 11 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| what causes extrathoracic obstruction | 0.94 | 0.1 | 7895 | 21 |
