| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| what additive is in the gray tube | 1.03 | 0.2 | 4747 | 56 |
| what additive is in the gray top tube | 1.4 | 0.2 | 1768 | 6 |
| gray top tube additive | 0.62 | 0.6 | 4793 | 76 |
| gray top tubes contain what additive | 0.23 | 0.6 | 9190 | 67 |
| gray tube additive | 0.53 | 0.6 | 7529 | 95 |
| gray top blood tube additive | 0.71 | 1 | 8740 | 49 |
| additive in gray top | 1.02 | 1 | 1363 | 42 |
| additive in grey top tube | 0.13 | 1 | 2482 | 26 |
| grey tubes contain what additive | 1.27 | 0.1 | 2523 | 72 |
| what additive is in the yellow tube | 1.29 | 0.9 | 8572 | 70 |
| additive in green top tube | 0.49 | 0.9 | 8831 | 99 |
| dark green top tube additive | 1.77 | 1 | 9246 | 68 |
| grey top blood tube additive | 0.61 | 0.7 | 7781 | 47 |
| additive in yellow top tube | 1.58 | 0.9 | 3751 | 39 |
| light green top tube additive | 0.34 | 0.6 | 951 | 65 |
| additive in blue top tube | 1.41 | 0.7 | 8662 | 99 |
| white top tube additive | 1.05 | 1 | 9577 | 67 |
| black top tube additive | 1.64 | 0.7 | 1156 | 36 |
| dark green tube additive | 0.5 | 0.7 | 2347 | 34 |
| additive in purple top tube | 0.51 | 0.6 | 6343 | 31 |
| light blue top tube additive | 0.55 | 0.5 | 6480 | 99 |
| pink top tube additive | 0.08 | 0.3 | 2696 | 8 |
| additives for white topped tubes | 0.31 | 0.4 | 9483 | 99 |
| light green tube additive | 1.59 | 0.5 | 9839 | 15 |
