| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| problems with monoamine theory of depression | 1.9 | 0.3 | 215 | 15 | 44 |
| problems | 1.37 | 0.4 | 7016 | 49 | 8 |
| with | 1.48 | 0.5 | 4696 | 9 | 4 |
| monoamine | 1.44 | 0.6 | 7630 | 47 | 9 |
| theory | 1.71 | 0.7 | 5901 | 47 | 6 |
| of | 1.65 | 0.4 | 383 | 89 | 2 |
| depression | 0.07 | 0.7 | 6494 | 45 | 10 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| problems with monoamine theory of depression | 1.47 | 0.6 | 5655 | 77 |
