| Similarity | Rank | |
|---|---|---|
| appendicectomy | 0.803 | 81458 |
| immunotherapy | 0.799 | 91052 |
| electroconvulsive | 0.797 | 92458 |
| testicular | 0.783 | 40374 |
| mammography | 0.783 | 79196 |
| open-heart | 0.779 | 75281 |
| community-acquired | 0.776 | 57606 |
| glaucoma | 0.775 | 47352 |
| non-surgical | 0.773 | 64382 |
| bone-marrow | 0.773 | 55094 |
| symptom-free | 0.771 | 77535 |
| gastroscopic | 0.771 | 86530 |
| vasectomy | 0.770 | 34035 |
| hysterectomy | 0.767 | 25459 |
| mammogram | 0.766 | 72103 |
| unoperated | 0.766 | 81552 |
| librium | 0.766 | 78302 |
| orthotopic | 0.764 | 83386 |
| mouth-to-mouth | 0.762 | 71302 |
| terminally-ill | 0.760 | 89315 |
| phototherapy | 0.759 | 96201 |
| hypoxaemic | 0.757 | 46355 |
| heart-lung | 0.756 | 54681 |
| mesothelioma | 0.754 | 79380 |
| postmortem | 0.753 | 41221 |