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Unified Medical Language System (UMLS)

Published by National Library of Medicine | U.S. Department of Health & Human Services | Metadata Last Checked: August 09, 2025 | Last Modified: 2025-06-18
The UMLS integrates and distributes key terminology, classification and coding standards, and associated resources to promote creation of more effective and interoperable biomedical information systems and services, including electronic health records.

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