| Similarity | Rank | |
|---|---|---|
| MEDLINE | 0.876 | 98555 |
| PMID | 0.839 | 86550 |
| Medline | 0.804 | 85680 |
| full-text | 0.783 | 53552 |
| bibliographic | 0.739 | 45374 |
| Bibliography | 0.702 | 36938 |
| NEJM | 0.690 | 95648 |
| Elsevier | 0.688 | 55357 |
| bibliographical | 0.688 | 98930 |
| JAMA | 0.687 | 53150 |
| bibliography | 0.680 | 26029 |
| Abstracts | 0.679 | 53705 |
| ProQuest | 0.679 | 98606 |
| PLoS | 0.674 | 66570 |
| Databases | 0.670 | 46848 |
| bibliographies | 0.661 | 72627 |
| BMJ | 0.657 | 65609 |
| meta-analysis | 0.654 | 39189 |
| Medscape | 0.650 | 96501 |
| peer-reviewed | 0.648 | 25104 |
| DOI | 0.642 | 57788 |
| Thesaurus | 0.642 | 88890 |
| Bioinformatics | 0.642 | 71233 |
| Pharmacology | 0.639 | 50669 |
| NIH | 0.630 | 21762 |