| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| pmid of research paper | 1.69 | 0.8 | 6707 | 32 | 22 |
| pmid | 0.68 | 0.1 | 5309 | 22 | 4 |
| of | 0.17 | 0.9 | 6735 | 95 | 2 |
| research | 0.76 | 0.2 | 8797 | 90 | 8 |
| paper | 0.9 | 0.2 | 1674 | 92 | 5 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| pmid of research paper | 0.79 | 0.9 | 3087 | 86 |
