| Ontology-Based MEDLINE Document Classification Recent countries visiting this post |  |
 | 8 | United States |
 | 3 | |
 | 1 | Bulgaria |
 | 1 | Canada |
 | 1 | Bangladesh |
 | 1 | Japan |
| Ontology-Based MEDLINE Document Classification Recent countries visiting this post | |
| 8 | United States |
| 3 | |
| 1 | Bulgaria |
| 1 | Canada |
| 1 | Bangladesh |
| 1 | Japan |