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PubMed New and Noteworthy
Brief announcements highlighting recent enhancements and changes to the PubMed and MeSH databases.

PubMed New and Noteworthy
  • MEDLINE 2022 Initiative: Transition to Automated Indexing

    ​As part of the efforts of the National Library of Medicine (NLM) to transform and accelerate biomedical discovery and improve health and health care, we are transitioning to automated MeSH indexing of MEDLINE citations in PubMed. Automated indexing will provide users with timely access to MeSH indexed metadata and allow NLM to scale MeSH indexing for MEDLINE to the volume of published biomedical literature. Human indexers have been and will continue to be involved in the refinement of automated indexing algorithms and will play a significant role in the quality assurance approaches for automated indexing.​



  • MeSH Updated

    ​PubMed MEDLINE indexed citations and the MeSH database have been updated with 2022 MeSH vocabulary.



  • PubMed Update: Navigation Interface Improvements

    The PubMed search results interface has been updated to support user-friendly, flexible navigation. Based on user feedback, page navigation is now available at the top and bottom of search results, including one-click navigation for first, previous, next, and last pages.



  • Updates on PubMed and NLM Catalog Filters and Subsets

    ​In April, NLM announced selected queries will no longer be updated. As these queries are no longer updated, the associated filters were removed from PubMed. In early December, the associated filters and subsets will be removed from the PubMed and NLM Catalog indexes during NLM’s activities. After the Year-End-Processing update, these filters and subsets will no longer work when searched in PubMed or NLM Catalog as part of a query, such as: aids[sb], or jsubsetn.



  • Clinical Queries Updated

    ​The PubMed Clinical Queries interface has been updated following a usability study to support user-friendly, efficient searching on clinical and disease-related topics. Clinical Queries currently includes filters for Clinical Studies and COVID-19 articles; the search strategies for these filters did not change in this update.



  • PubMed Update: Improvements to Email, Cite, and Save/Email/Send To

    ​Recent PubMed updates include emailing up to 1,000 citations, saving your most recently used Cite format as a preference, and convenient access to the Save/Email/Send to buttons.



  • NLM Catalog updated

    ​The link to holdings in LocatorPlus from the NLM Catalog, including both the “NLM Holdings in LocatorPlus” button at the top right of the page and the linked NLM ID at the bottom of the record, will be updated to point to the new LocatorPlus Catalog system based on the Primo VE discovery service. 



  • New Library Services Platform and Public Catalog

    ​ On June 8, 2021, NLM staff will begin using Alma for core library operations including acquisitions, cataloging, collection management, and circulation. On May 14, the Voyager system will be frozen to prepare for data extraction and migration. Data in LocatorPlus and the NLM Catalog will be current as of the May 14 freeze. On June 8, the NLM Catalog and Primo VE-powered LocatorPlus will begin reflecting new staff work in Alma.




  • Specialized Search Queries Update

    ​NLM announces selected queries will no longer be updated.



  • Single Citation Matcher and Batch Citation Matcher Updated

    ​The Single Citation Matcher and Batch Citation Matcher have been updated to the new PubMed cloud environment. 



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