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NIH Common Data Elements Repository

Published by National Library of Medicine | U.S. Department of Health & Human Services | Metadata Last Checked: August 08, 2025 | Last Modified: 2025-06-18
The NIH Common Data Elements (CDE) Repository has been designed to provide access to structured human and machine-readable definitions of data elements that have been recommended or required by NIH Institutes and Centers and other organizations for use in research and for other purposes. Visit the NIH CDE Resource Portal for contextual information about the repository.

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