| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| exclusion criteria for ecmo | 1.94 | 0.7 | 5969 | 47 | 27 |
| exclusion | 1.92 | 0.7 | 317 | 80 | 9 |
| criteria | 0.26 | 0.7 | 2755 | 47 | 8 |
| for | 0.69 | 0.8 | 3908 | 5 | 3 |
| ecmo | 0.97 | 0.3 | 3944 | 47 | 4 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| exclusion criteria for ecmo | 0.47 | 0.3 | 8106 | 16 |
