| Similarity | Rank | |
|---|---|---|
| randomized | 0.945 | 18214 |
| double-blind | 0.887 | 34234 |
| RCTs | 0.879 | 82390 |
| placebo-controlled | 0.877 | 42426 |
| Randomized | 0.860 | 93743 |
| open-label | 0.860 | 89583 |
| multicenter | 0.858 | 69465 |
| case-control | 0.831 | 83586 |
| meta-analysis | 0.825 | 39189 |
| population-based | 0.782 | 69592 |
| randomization | 0.765 | 71762 |
| monotherapy | 0.760 | 66795 |
| placebo | 0.750 | 12334 |
| epidemiologic | 0.740 | 72423 |
| clinical | 0.737 | 2463 |
| well-controlled | 0.736 | 96583 |
| epidemiological | 0.729 | 36173 |
| high-dose | 0.726 | 58378 |
| prospectively | 0.726 | 71458 |
| METHODS | 0.724 | 45074 |
| RCT | 0.719 | 67768 |
| low-dose | 0.715 | 57276 |
| trials | 0.707 | 4451 |
| pharmacokinetic | 0.707 | 73658 |
| observational | 0.705 | 28451 |