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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
  1. PubMed 2025 Baseline Released

    ​The National Library of Medicine (NLM) has released the 2025 production year PubMed baseline files.​ Please refer to the linked article for more information. ​

  2. Pharmacological Action Term Mapping

    ​Searches in All Fields [all] for terms matching a Pharmacological Action now follow PubMed syntax rules for Automatic Term Mapping (ATM).​

  3. Filters Interface Improvements

    ​The PubMed filters interface on the search results page has been updated to provide a more intuitive, user-friendly experience. ​

  4. Related Citation Links in Search Results
    The four PubMed comment correction types​​ labeled in search results now also include a link to the related citation in the summary display: Update in, Retraction in, Retracted and republished in, Corrected and republished in.​​
  5. Wildcard Search Improvements

    ​PubMed search syntax now supports expanded use of the asterisk (*) wildcard character. Previously, a wildcard could only be used for truncation at the end of a term or phrase to search for alternate endings. With this update, wildcards can be used in the middle of a term or phrase, and multiple wildcards can be used in the same term or phrase.​​

  6. Usability improvement: Links now underlined on mouseover

    Links on PubMed are now underlined on mouseover. This update is based on recommendations from the U.S. Web Design System (USWDS)​.


  7. PubMed 2024 Baseline Released and DTD updated

    The National Library of Medicine (NLM) has released the 2024 production year PubMed Baseline files and the first set of 2024 PubMed Update files have been posted. Regular daily updates have resumed.


    The updated 2024 PubMed DTD is available here​.


  8. GR Field Renamed From "Grant Number" to "Grants and Funding"

    ​The GR field in PubMed has been renamed from "Grant Number" to "Grants and Funding" and a new section about grants and funding has been added to the PubMed User Guide. These updates to the field name and supporting documentation are being made to increase the overall transparency of funding information in PubMed. These updates do not affect searching in the GR field​, and do not make any changes to the data contained in the GR field.

  9. Proximity Searching Now Available for Affiliation Search Field

    ​Proximity searching is now available in PubMed for the Affiliation field in addition to the Title and Title/Abstract fields. Proximity searching in PubMed was introduced in November 2022; for more information and FAQs, see: PubMed Update: Proximity Search Now Available in PubMed​.

  10. "Sort by" Moved Out of Display Options for Quick Access

    ​The "Sort by" drop-down menu used to change the sort order of PubMed search results has been moved out of the "Display options" button and now appears as a standalone feature at the top of the search results page, making it easier and faster to change the sort order of your search results.​

  11. Lengthy author lists truncated in search results

    ​PubMed has been updated to streamline the display of lengthy author lists in search results. When viewing search results in the Summary display format, author lists are now truncated after 1,200 characters followed by an ellipsis (…) and a link to "See abstract for full author list". In practice, this change applies to citations with approximately 100 or more authors, or around .01% of citations in the PubMed database.