| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| pubmed central database | 0.69 | 0.5 | 3955 | 32 | 23 |
| pubmed | 0.88 | 0.6 | 5385 | 12 | 6 |
| central | 1.22 | 0.7 | 1762 | 56 | 7 |
| database | 0.18 | 0.2 | 5340 | 64 | 8 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| pubmed central database | 0.26 | 0.2 | 4566 | 10 |
| pubmed central dataset | 1.94 | 0.2 | 1285 | 20 |
