| Similarity | Rank | |
|---|---|---|
| antiretroviral | 0.919 | 38475 |
| HAART | 0.835 | 85153 |
| ARV | 0.833 | 63285 |
| HIV | 0.824 | 4175 |
| AZT | 0.802 | 82245 |
| antimalarial | 0.798 | 93486 |
| HIV-infected | 0.798 | 50710 |
| HCV | 0.771 | 41490 |
| malaria | 0.769 | 14990 |
| HIV-positive | 0.763 | 38882 |
| pneumococcal | 0.755 | 77954 |
| HBV | 0.747 | 60733 |
| drug-resistant | 0.746 | 67927 |
| HIV-1 | 0.745 | 60082 |
| TB | 0.731 | 13710 |
| immunisation | 0.730 | 73736 |
| Herceptin | 0.727 | 84291 |
| vaccines | 0.724 | 12666 |
| HIV-related | 0.723 | 99001 |
| PEPFAR | 0.723 | 90490 |
| STIs | 0.719 | 58418 |
| rotavirus | 0.719 | 82713 |
| ritonavir | 0.712 | 81188 |
| medicines | 0.712 | 6006 |
| contraceptives | 0.710 | 28026 |