| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| histamine function in brain | 1.76 | 1 | 121 | 41 | 27 |
| histamine | 1.32 | 0.4 | 3764 | 61 | 9 |
| function | 1.86 | 0.6 | 6117 | 43 | 8 |
| in | 0.65 | 0.1 | 2842 | 43 | 2 |
| brain | 0.98 | 0.7 | 7014 | 74 | 5 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| histamine function in brain | 1.62 | 0.3 | 5936 | 26 |
