| Query | User |
|---|---|
| brain tumor | entered by user 1735728 |
| brain tumor | entered by user 19316474 |
| brain tumors | entered by user 7872461 |
| brain tumors | entered by user 21248791 |
| michael schulder md | entered by user 4944696 |
| virtual websites | entered by user 5812060 |
| virtualtrials.com | entered by user 1611865 |