| A software tool for large-scale sharing and querying of clinical documents modeled using HL7 version 3 standard Recent countries visiting this post |  |
 | 11 | United States |
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| A software tool for large-scale sharing and querying of clinical documents modeled using HL7 version 3 standard Recent countries visiting this post | |
| 11 | United States |
| 6 | |
| 4 | China |
| 3 | Germany |
| 1 | Italy |