| Similarity | Rank | |
|---|---|---|
| case-control | 0.865 | 83586 |
| RCTs | 0.862 | 82390 |
| double-blind | 0.844 | 34234 |
| randomized | 0.843 | 18214 |
| epidemiologic | 0.842 | 72423 |
| epidemiological | 0.838 | 36173 |
| randomised | 0.825 | 46929 |
| population-based | 0.823 | 69592 |
| placebo-controlled | 0.809 | 42426 |
| multicenter | 0.794 | 69465 |
| studies | 0.786 | 1235 |
| study | 0.779 | 508 |
| Lancet | 0.779 | 38806 |
| dose-response | 0.773 | 97933 |
| open-label | 0.772 | 89583 |
| observational | 0.771 | 28451 |
| NEJM | 0.766 | 95648 |
| JAMA | 0.755 | 53150 |
| findings | 0.754 | 3411 |
| clinical | 0.754 | 2463 |
| study's | 0.753 | 32468 |
| Randomized | 0.745 | 93743 |
| placebo | 0.741 | 12334 |
| BMJ | 0.731 | 65609 |
| pharmacokinetic | 0.730 | 73658 |