| Similarity | Rank | |
|---|---|---|
| PubMed | 0.876 | 49175 |
| Medline | 0.844 | 85680 |
| full-text | 0.793 | 53552 |
| bibliographic | 0.773 | 45374 |
| PMID | 0.766 | 86550 |
| bibliographical | 0.719 | 98930 |
| peer-reviewed | 0.700 | 25104 |
| bibliographies | 0.700 | 72627 |
| Abstracts | 0.694 | 53705 |
| JAMA | 0.687 | 53150 |
| meta-analysis | 0.687 | 39189 |
| ProQuest | 0.683 | 98606 |
| Bibliography | 0.682 | 36938 |
| Databases | 0.678 | 46848 |
| bibliography | 0.674 | 26029 |
| epidemiologic | 0.671 | 72423 |
| searchable | 0.661 | 23298 |
| NEJM | 0.659 | 95648 |
| databases | 0.658 | 8190 |
| ERIC | 0.655 | 74604 |
| Elsevier | 0.654 | 55357 |
| epidemiological | 0.652 | 36173 |
| Database | 0.648 | 13220 |
| case-control | 0.647 | 83586 |
| Randomized | 0.644 | 93743 |