| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| plos one systematic review guidelines | 1.48 | 1 | 544 | 59 | 37 |
| plos | 1.74 | 0.1 | 5215 | 31 | 4 |
| one | 1.05 | 0.2 | 310 | 82 | 3 |
| systematic | 1.82 | 0.5 | 8297 | 79 | 10 |
| review | 1.22 | 0.9 | 7412 | 23 | 6 |
| guidelines | 1.31 | 0.2 | 6732 | 94 | 10 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| plos one systematic review guidelines | 1.27 | 0.7 | 9994 | 90 |
