| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| further observations on penicillin | 1.72 | 1 | 6005 | 22 | 34 |
| further | 1.51 | 0.9 | 9776 | 80 | 7 |
| observations | 0.28 | 0.2 | 2745 | 1 | 12 |
| on | 0.96 | 0.1 | 4176 | 59 | 2 |
| penicillin | 0.5 | 0.1 | 9378 | 35 | 10 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| further observations on penicillin | 0.19 | 0.5 | 2796 | 32 |
