| Similarity | Rank | |
|---|---|---|
| randomize_controlled_trial | 0.651 | 81810 |
| meta-analyse | 0.581 | 98668 |
| pilot_study | 0.579 | 46260 |
| systematic_review | 0.563 | 37918 |
| cohort_study | 0.551 | 78946 |
| meta-analysis | 0.548 | 47819 |
| clinical_study | 0.542 | 25548 |
| observational_study | 0.536 | 56481 |
| clinical_trial | 0.518 | 6242 |
| outcome_measure | 0.516 | 54704 |
| randomization | 0.511 | 77645 |
| placebo | 0.508 | 39511 |
| control_group | 0.493 | 13992 |
| randomize | 0.493 | 34164 |
| a_control_group | 0.489 | 68080 |
| longitudinal_study | 0.487 | 85134 |
| treatment_group | 0.478 | 48266 |
| Phase_3 | 0.476 | 98452 |
| efficacy | 0.474 | 12475 |
| research_study | 0.472 | 20561 |
| PRP | 0.472 | 85746 |
| clinical_outcome | 0.466 | 48453 |
| phase_II | 0.466 | 80181 |
| Phase_III | 0.466 | 85546 |
| a_pilot_study | 0.464 | 77809 |