| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| cluster headache scholarly article | 0.21 | 0.8 | 3361 | 33 | 34 |
| cluster | 0.71 | 0.7 | 4422 | 62 | 7 |
| headache | 0.44 | 0.9 | 4931 | 75 | 8 |
| scholarly | 0.3 | 0.1 | 890 | 88 | 9 |
| article | 0.44 | 0.5 | 2189 | 28 | 7 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| cluster headache scholarly article | 0.06 | 0.5 | 4883 | 81 |
