| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| journal article on copd | 1.46 | 1 | 7190 | 13 | 23 |
| journal | 0.89 | 0.5 | 994 | 76 | 7 |
| article | 1.13 | 0.3 | 4352 | 76 | 7 |
| on | 0.8 | 0.5 | 962 | 60 | 2 |
| copd | 1.02 | 1 | 3652 | 93 | 4 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| journal article on copd | 0.65 | 0.8 | 9316 | 23 |
