| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| aminophylline classification | 0.5 | 0.1 | 472 | 9 | 28 |
| aminophylline | 0.46 | 0.3 | 7795 | 71 | 13 |
| classification | 0.62 | 0.3 | 440 | 48 | 14 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| aminophylline classification | 0.2 | 1 | 8248 | 81 |
| aminophylline drug classification | 0.79 | 0.2 | 1117 | 6 |
