| Similarity | Rank | |
|---|---|---|
| immunization | 0.822 | 37647 |
| antenatal | 0.797 | 18961 |
| poliomyelitis | 0.787 | 48186 |
| immunise | 0.786 | 26499 |
| sexually-transmitted | 0.781 | 64953 |
| rubella | 0.781 | 36198 |
| phenylketonuria | 0.780 | 34874 |
| vaccination | 0.777 | 13071 |
| streptococcal | 0.768 | 51553 |
| hbv | 0.767 | 22914 |
| genitourinary | 0.766 | 58845 |
| hiv-infected | 0.766 | 36119 |
| parenteral | 0.764 | 37046 |
| ibuprofen | 0.763 | 96884 |
| cowpox | 0.763 | 85609 |
| toxoplasmosis | 0.763 | 29902 |
| hrt | 0.761 | 25595 |
| postoperative | 0.761 | 24020 |
| acetylcysteine | 0.761 | 79589 |
| hiv-related | 0.759 | 63990 |
| pyelonephritis | 0.756 | 95306 |
| gastroscopic | 0.755 | 86530 |
| symptom-free | 0.755 | 77535 |
| menorrhagia | 0.754 | 82584 |
| neonatal | 0.754 | 19705 |