| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| systemic sclerosis sildenafil | 1.94 | 1 | 7153 | 86 | 29 |
| systemic | 1.98 | 0.4 | 3395 | 99 | 8 |
| sclerosis | 0.55 | 0.2 | 6156 | 2 | 9 |
| sildenafil | 1.56 | 0.8 | 1465 | 7 | 10 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| systemic sclerosis sildenafil | 1.77 | 0.5 | 2768 | 100 |
