| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| artificial heart barney clark 1982 | 1.15 | 0.3 | 752 | 39 | 34 |
| artificial | 0.24 | 0.2 | 6446 | 26 | 10 |
| heart | 0.77 | 0.2 | 6479 | 4 | 5 |
| barney | 0.74 | 0.3 | 1830 | 75 | 6 |
| clark | 0.1 | 1 | 1082 | 99 | 5 |
| 1982 | 0.88 | 0.3 | 5835 | 56 | 4 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| artificial heart barney clark 1982 | 1.96 | 0.5 | 3119 | 95 |
| dr barney clark artificial heart | 1.18 | 0.1 | 7191 | 90 |
| barney clark heart patient | 1.47 | 0.7 | 6789 | 69 |
| barney clark heart transplant | 0.33 | 0.3 | 4005 | 81 |
| mark sullivan inventor artificial heart | 1.3 | 0.2 | 1040 | 6 |
