| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| history of stem cell transplantation | 1.66 | 0.7 | 5257 | 65 | 36 |
| history | 1.54 | 0.1 | 3763 | 86 | 7 |
| of | 1.63 | 0.5 | 1559 | 100 | 2 |
| stem | 1.12 | 1 | 3883 | 84 | 4 |
| cell | 0.13 | 0.5 | 2101 | 31 | 4 |
| transplantation | 1.75 | 0.9 | 7148 | 14 | 15 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| history of stem cell transplantation | 0.48 | 0.8 | 7523 | 51 |
