| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| cross trial nejm 2012 | 0.49 | 0.2 | 7206 | 34 | 21 |
| cross | 1.01 | 0.1 | 7322 | 94 | 5 |
| trial | 0.65 | 0.6 | 8881 | 79 | 5 |
| nejm | 1.87 | 0.1 | 5923 | 75 | 4 |
| 2012 | 0.87 | 0.3 | 7227 | 46 | 4 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| cross trial nejm 2012 | 0.78 | 0.5 | 4808 | 6 |
