| Similarity | Rank | |
|---|---|---|
| randomization | 0.747 | 77645 |
| be_randomize | 0.742 | 85991 |
| randomize_controlled_trial | 0.611 | 81810 |
| randomly_select | 0.551 | 60778 |
| randomly | 0.549 | 18471 |
| placebo | 0.542 | 39511 |
| random | 0.539 | 6710 |
| observational_study | 0.535 | 56481 |
| cohort_study | 0.531 | 78946 |
| clinical_trial | 0.521 | 6242 |
| a_control_group | 0.520 | 68080 |
| meta-analysis | 0.515 | 47819 |
| a_random | 0.507 | 28994 |
| study_involve | 0.498 | 49676 |
| study_population | 0.493 | 68341 |
| RCT | 0.493 | 65289 |
| pilot_study | 0.491 | 46260 |
| treatment_group | 0.489 | 48266 |
| clinical_study | 0.489 | 25548 |
| method_: | 0.486 | 7081 |
| interleave | 0.485 | 81393 |
| a_prospective | 0.485 | 53426 |
| meta-analyse | 0.483 | 98668 |
| stratify | 0.477 | 54678 |
| efficacy | 0.474 | 12475 |