| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| ema guidelines for nitrosamine impurities | 0.54 | 0.3 | 8417 | 29 | 41 |
| ema | 1.36 | 1 | 6705 | 9 | 3 |
| guidelines | 1.11 | 0.4 | 5001 | 4 | 10 |
| for | 1.67 | 0.2 | 5227 | 98 | 3 |
| nitrosamine | 0.78 | 0.8 | 1854 | 33 | 11 |
| impurities | 1.07 | 0.7 | 6430 | 93 | 10 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| ema guidelines for nitrosamine impurities | 0.37 | 0.8 | 9849 | 56 |
