| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| aminophylline and theophylline difference | 1.22 | 0.9 | 2308 | 62 | 41 |
| aminophylline | 2 | 0.2 | 3623 | 33 | 13 |
| and | 1.75 | 0.5 | 1887 | 84 | 3 |
| theophylline | 0.87 | 0.6 | 1170 | 40 | 12 |
| difference | 0.42 | 0.3 | 6044 | 82 | 10 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| aminophylline and theophylline difference | 1.4 | 0.9 | 7282 | 72 |
