| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| mechanism of action theophylline | 1.53 | 0.8 | 3897 | 48 | 32 |
| mechanism | 0.44 | 0.5 | 7449 | 80 | 9 |
| of | 0.19 | 0.1 | 4630 | 92 | 2 |
| action | 1.31 | 0.7 | 3126 | 13 | 6 |
| theophylline | 0.29 | 0.3 | 943 | 90 | 12 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| mechanism of action theophylline | 1.43 | 0.6 | 2521 | 74 |
