| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| pnas instructions for authors | 0.57 | 0.9 | 1438 | 97 | 29 |
| pnas | 1.02 | 0.5 | 3596 | 27 | 4 |
| instructions | 0.92 | 0.6 | 5285 | 89 | 12 |
| for | 0.57 | 0.1 | 5131 | 37 | 3 |
| authors | 1.45 | 0.6 | 9841 | 94 | 7 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| pnas instructions for authors | 1.77 | 0.4 | 7188 | 20 |
