| clinicaltrials gov phone number | 0.37 | 1 | 779 | 31 | 36 |
| clinicaltrials.gov registration number | 0.82 | 0.6 | 346 | 38 | 60 |
| clinicaltrials gov log in | 0.38 | 0.2 | 8902 | 25 | 78 |
| clinicaltrials gov website login | 0.17 | 0.1 | 2868 | 32 | 80 |
| clinicaltrials gov website info | 1.86 | 0.7 | 7331 | 31 | 15 |
| www. clinicaltrials. gov | 1.1 | 0.9 | 3973 | 24 | 47 |
| clinicaltrials.gov website | 1.78 | 0.2 | 9839 | 26 | 13 |
| clinical trial registration number | 0.26 | 1 | 4398 | 34 | 12 |
| clinicaltrials.gov login | 1.08 | 0.4 | 7370 | 24 | 69 |
| clinicaltrials.gov | 0.98 | 1 | 2101 | 18 | 48 |
| www.clinicaltrials.gov website | 0.73 | 1 | 1265 | 30 | 97 |
| home clinicaltrials.gov | 1.53 | 0.8 | 2407 | 23 | 53 |
| https://www.clinicaltrials.gov | 1.41 | 0.7 | 6598 | 30 | 34 |
| https://clinicaltrials.gov | 0.25 | 0.5 | 3977 | 26 | 33 |
| national clinical trial number | 1.78 | 0.6 | 5621 | 30 | 72 |
| clinical trial registry number | 1.86 | 1 | 8846 | 30 | 1 |
| clinicaltrials.gov registration | 1.09 | 0.3 | 19 | 31 | 97 |
| https://clinicaltrials.gov/search | 0.16 | 0.6 | 7084 | 33 | 89 |
| clinicaltrials.gov search | 1.91 | 0.9 | 1196 | 25 | 65 |
