| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| pubmed primary research articles | 1.73 | 0.8 | 1917 | 39 | 32 |
| pubmed | 1.12 | 0.7 | 8890 | 79 | 6 |
| primary | 0.19 | 0.3 | 1589 | 83 | 7 |
| research | 0.84 | 0.4 | 3826 | 40 | 8 |
| articles | 0.96 | 0.9 | 4287 | 87 | 8 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| pubmed primary research articles | 1.67 | 0.8 | 342 | 80 |
