| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| is pnas a scholarly source | 0.85 | 1 | 7682 | 4 |
| is pnas a journal | 0.02 | 0.2 | 9490 | 52 |
| what is the pnas | 1.02 | 0.8 | 7719 | 23 |
| is pnas a good journal | 1.47 | 0.4 | 7219 | 91 |
| is pnas peer reviewed | 0.72 | 0.9 | 4433 | 91 |
| on the basis of pnas | 1.88 | 0.4 | 1411 | 81 |
| study published in the journal pnas | 0.83 | 0.6 | 9312 | 7 |
| pnas guide for authors | 0.83 | 0.4 | 2901 | 24 |
| pnas national academy of sciences | 1.69 | 0.9 | 1585 | 50 |
| what journal is pnas | 0.66 | 0.5 | 4979 | 7 |
| how to cite pnas article | 1.53 | 0.6 | 8419 | 70 |
| https://www.pnas.org | 0.71 | 1 | 9961 | 67 |
| pnas nas.edu | 0.98 | 0.7 | 2765 | 78 |
| in which the formed pnas | 1.18 | 0.5 | 2534 | 72 |
| how to cite pnas | 1.85 | 0.6 | 324 | 60 |
| how to cite pnas journal | 1.46 | 0.8 | 3265 | 11 |
| https://www.pnas.org/latest | 0.43 | 0.3 | 9404 | 68 |
| pnas journal full name | 0.72 | 0.5 | 987 | 13 |
| as described earlier pnas | 0.35 | 0.2 | 3307 | 36 |
| www.pnas.org | 1.13 | 1 | 7084 | 34 |
