| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| literature search protocol mdr | 1.22 | 0.4 | 3033 | 13 | 30 |
| literature | 1.03 | 0.4 | 3541 | 94 | 10 |
| search | 0.76 | 0.6 | 2547 | 21 | 6 |
| protocol | 0.83 | 0.8 | 3529 | 38 | 8 |
| mdr | 0.07 | 0.8 | 2535 | 49 | 3 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| literature search protocol mdr | 0.39 | 0.5 | 3706 | 59 |
