| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| impact factor of nejm | 0.96 | 0.5 | 2191 | 26 | 21 |
| impact | 1.2 | 0.6 | 7354 | 42 | 6 |
| factor | 1.39 | 0.8 | 6424 | 86 | 6 |
| of | 0.74 | 0.6 | 6372 | 31 | 2 |
| nejm | 1.05 | 0.6 | 5970 | 34 | 4 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| impact factor of nejm | 1.05 | 0.7 | 3953 | 15 |
