| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| is red top tube serum or plasma | 1.99 | 1 | 7787 | 22 |
| red top spin off tube serum or plasma | 0.99 | 0.9 | 8876 | 36 |
| red tube serum or plasma | 1.74 | 0.7 | 3106 | 3 |
| red top serum or plasma | 1.02 | 0.3 | 7675 | 43 |
| blue top tube plasma or serum | 0.36 | 0.3 | 9012 | 90 |
| serum tube red top | 0.25 | 0.9 | 5367 | 88 |
| gold top tube serum or plasma | 1.45 | 0.2 | 1440 | 4 |
| green top tube serum or plasma | 0.07 | 0.7 | 3656 | 23 |
| serum or plasma tube | 2 | 1 | 1637 | 64 |
| red tube for serum | 1.48 | 0.8 | 5560 | 72 |
| red top tube blood test | 1.33 | 0.6 | 1358 | 12 |
| plasma vs serum tubes | 1.76 | 0.5 | 5640 | 15 |
| red top tubes for blood | 0.3 | 0.8 | 2664 | 5 |
| blood tube red top | 1.85 | 0.7 | 4392 | 44 |
| blood collection tubes serum vs plasma | 1.73 | 0.2 | 822 | 17 |
