| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| cluster headache american headache society | 2 | 0.8 | 2755 | 41 |
| cluster headache scholarly article | 1.85 | 0.6 | 7598 | 53 |
| scholarly articles on cluster headaches | 0.51 | 0.7 | 5916 | 17 |
| what is headache cluster | 1.68 | 0.9 | 2490 | 99 |
| cluster headache fact sheet | 1.91 | 0.1 | 1542 | 96 |
| cluster headache patient info | 0.85 | 0.6 | 6065 | 8 |
| what are cluster headache | 0.82 | 0.6 | 8609 | 93 |
| cluster headaches in adults | 0.16 | 0.4 | 5924 | 60 |
| cluster headache patient information | 0.33 | 0.1 | 3985 | 100 |
| information on cluster headaches | 1.02 | 0.6 | 3403 | 54 |
| cluster headache causes symptoms treatment | 0.89 | 0.1 | 8900 | 49 |
| what's a cluster headache | 1.06 | 0.7 | 9041 | 57 |
| cluster headache patient uk | 1.26 | 1 | 1369 | 1 |
| cluster headache causes and diagnosis | 0.06 | 0.3 | 8836 | 70 |
| how many people have cluster headaches | 1.86 | 0.4 | 8694 | 59 |
| how common are cluster headaches | 1.75 | 1 | 4406 | 41 |
