| Similarity | Rank | |
|---|---|---|
| CDC | 0.906 | 14261 |
| WebMD | 0.783 | 34207 |
| Pediatrics | 0.781 | 27743 |
| MedicineNet | 0.776 | 85448 |
| SAMHSA | 0.771 | 85331 |
| FDA's | 0.768 | 32675 |
| study's | 0.757 | 32468 |
| epidemiologist | 0.745 | 67086 |
| Immunization | 0.743 | 64508 |
| Prevention | 0.742 | 9148 |
| Epidemiology | 0.739 | 40478 |
| Health's | 0.732 | 51494 |
| Vaccine | 0.722 | 39825 |
| Infectious | 0.719 | 38588 |
| Medicine's | 0.714 | 76609 |
| DHHS | 0.705 | 85628 |
| Disease | 0.704 | 8318 |
| HHS | 0.698 | 26702 |
| epidemiologic | 0.698 | 72423 |
| UNAIDS | 0.697 | 69284 |
| epidemiology | 0.695 | 32306 |
| IOM | 0.693 | 48738 |
| H1N1 | 0.692 | 28204 |
| Clinic's | 0.692 | 96694 |
| strattera | 0.688 | 39741 |