| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| what color tube produces serum | 1.44 | 0.1 | 4750 | 28 |
| which color tube produces serum | 0.67 | 0.4 | 5236 | 18 |
| serum specimen tube color | 0.36 | 0.8 | 9865 | 31 |
| serum gel tube color | 0.66 | 0.7 | 8337 | 14 |
| what color is a serum separator tube | 0.13 | 0.8 | 3568 | 22 |
| serum in a tube | 1.18 | 0.4 | 8983 | 97 |
| serum drug screen tube color | 1.3 | 0.2 | 4034 | 80 |
| serum iron tube color | 0.11 | 0.5 | 8053 | 84 |
| what colored tubes contain serum separator | 0.16 | 0.1 | 4910 | 97 |
| what color tube is used for serology | 1.64 | 0.8 | 1181 | 5 |
| blood serum in tube | 1.1 | 0.2 | 9742 | 19 |
| what tubes give you serum | 1.18 | 0.4 | 7197 | 34 |
| red tube for serum | 0.21 | 0.4 | 5262 | 81 |
| what tube is used for serum | 0.96 | 0.1 | 4235 | 7 |
| serum separator tube color | 1.06 | 0.9 | 3312 | 45 |
| dark blue serum tube | 1.27 | 0.4 | 7533 | 34 |
| serum tubes blood collection | 1.15 | 0.8 | 8027 | 96 |
| what color tubes for blood work | 0.56 | 1 | 5293 | 32 |
| tubes for serum collection | 0.41 | 0.8 | 7073 | 45 |
| comparison between red and yellow serum tubes | 0.4 | 0.5 | 609 | 97 |
