| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| first pig heart transplant to human | 1.61 | 0.5 | 1104 | 11 | 35 |
| first | 1.23 | 0.1 | 6229 | 52 | 5 |
| pig | 0.55 | 0.1 | 1944 | 17 | 3 |
| heart | 0.26 | 1 | 9808 | 46 | 5 |
| transplant | 0.79 | 0.7 | 3558 | 72 | 10 |
| to | 0.65 | 0.4 | 9858 | 16 | 2 |
| human | 0.02 | 0.6 | 6723 | 30 | 5 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| first pig heart transplant to human | 1.84 | 0.9 | 8028 | 24 |
| first ever pig to human heart transplant | 0.68 | 0.7 | 6160 | 80 |
| heart transplant from pig to human | 1.63 | 0.1 | 1399 | 32 |
| first pig transplant to human | 1.84 | 0.5 | 2419 | 97 |
| successful pig heart transplant to human | 1.62 | 0.1 | 4876 | 23 |
| pig heart transplant to human 2011 | 1.96 | 0.9 | 154 | 29 |
| pig heart transplanted into human | 1.41 | 0.1 | 5477 | 52 |
| transplantation of pig's heart to human | 1.53 | 0.7 | 3936 | 81 |
| pig to human heart transplant | 1.2 | 0.5 | 1195 | 7 |
