| Similarity | Rank | |
|---|---|---|
| placebo | 0.826 | 10630 |
| double-blind | 0.825 | 41553 |
| multicentre | 0.819 | 46700 |
| placebo-control | 0.797 | 75903 |
| thrombolysis | 0.780 | 27355 |
| endoscopic | 0.776 | 9253 |
| solvd | 0.775 | 83844 |
| cholangiography | 0.775 | 42775 |
| preoperative | 0.767 | 31598 |
| antihypertensive | 0.764 | 41826 |
| endoscopy | 0.762 | 10878 |
| randomisation | 0.761 | 29880 |
| methotrexate | 0.761 | 94548 |
| ultrasonography | 0.760 | 29385 |
| polychemotherapy | 0.759 | 58625 |
| radiotherapy | 0.756 | 15641 |
| ultrasonagraphy | 0.754 | 51057 |
| ganglioside | 0.750 | 49936 |
| cholecystolithotomy | 0.748 | 40085 |
| longterm | 0.748 | 20808 |
| cholangiopancreatography | 0.747 | 32848 |
| hbig | 0.744 | 69716 |
| endosonography | 0.743 | 56817 |
| meta-analysis | 0.742 | 45340 |
| prostatic | 0.741 | 27548 |