| clinicaltrials.gov identifier | 1.06 | 0.6 | 8055 | 29 | 97 |
| clinicaltrials.gov identifier nct number | 0.9 | 0.7 | 3615 | 40 | 61 |
| clinicaltrials.gov identifier nct04777994 | 0.68 | 0.1 | 6284 | 41 | 69 |
| clinicaltrials.gov identifier nct05630807 | 1.84 | 0.2 | 7612 | 41 | 8 |
| clinicaltrials.gov identifier nct01984710 | 1.36 | 0.7 | 7375 | 41 | 42 |
| clinicaltrials.gov identifier chart | 0.01 | 0.9 | 7605 | 35 | 42 |
| clinicaltrials.gov identifier nct03418038 | 0.06 | 0.1 | 5009 | 41 | 30 |
| clinicaltrials.gov identifier nct 05346484 | 1.24 | 1 | 8931 | 42 | 74 |
| clinical trial nct number | 0.25 | 1 | 2055 | 25 | 46 |
| nct number clinical trials | 1.06 | 0.1 | 567 | 26 | 3 |
| www.clinicaltrials.gov nct | 0.52 | 0.8 | 8909 | 26 | 51 |
| clinicaltrials.gov number | 0.94 | 0.3 | 3433 | 25 | 87 |
| nct clinical trial registry | 1.79 | 0.7 | 4643 | 27 | 22 |
| clinicaltrials.gov registration number | 0.12 | 0.6 | 8250 | 38 | 26 |
| national clinical trial number | 1.17 | 1 | 9151 | 30 | 21 |
| search clinical trial by nct | 0.25 | 1 | 2893 | 28 | 79 |
| nct # clinical trials | 0.92 | 0.9 | 8559 | 21 | 63 |
| how to find national clinical trial number | 1.79 | 0.1 | 5171 | 42 | 100 |
| clinicaltrials.gov nct03225339 | 1.93 | 0.2 | 9248 | 30 | 25 |
| clinicaltrials gov phone number | 1.54 | 0.6 | 675 | 31 | 48 |
| clinicaltrials.gov nct03222024 | 1.51 | 0.3 | 7952 | 30 | 45 |
| clinical trial number lookup | 0.62 | 0.5 | 6670 | 28 | 5 |
| nct_id/ctr | 1.87 | 0.4 | 2809 | 10 | 84 |
