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MeSH 2023 - New Headings with Scope Notes

Published by National Library of Medicine | U.S. Department of Health & Human Services | Metadata Last Checked: August 09, 2025 | Last Modified: 2025-06-18
This dataset includes all newly added MeSH Main Headings for 2023. Headings play a central role in MeSH vocabulary as a unit of Indexing and retrieval. With the exception of Class 3 Descriptors, all descriptors are organized into a numbered tree structure or hierarchy that allows users to browse in a orderly fashion from broader to narrower topics. Scope Notes provide a concise summary describing the meaning and scope of the MeSH Descriptor.

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