| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| humoral theory of immunity | 1.67 | 0.4 | 8773 | 4 | 26 |
| humoral | 1.21 | 0.4 | 3021 | 55 | 7 |
| theory | 0.44 | 0.7 | 3170 | 60 | 6 |
| of | 1.04 | 0.5 | 3273 | 28 | 2 |
| immunity | 0.74 | 0.6 | 5830 | 46 | 8 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| humoral theory of immunity | 1.96 | 1 | 2201 | 34 |
