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National Library of Medicine Technical BulletinNational Library of Medicine Technical Bulletin

Table of Contents: 2016 JULY–AUGUST No. 411

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PMC New Search Result Filters and Updated Reference List Display

PMC New Search Result Filters and Updated Reference List Display. NLM Tech Bull. 2016 Jul-Aug;(411):e6.

2016 August 19 [posted]

[Editor's Note: This is a reprint of an announcement from the National Center for Biotechnology Information (NCBI). To automatically receive the latest news and announcements regarding major changes and updates to PubMed Central please see the subscribe page.]

As of August 2016, PMC is home to four million articles! To make this wealth of full-text content easier to navigate, PMC has rolled out a few updates:

Search Result Filters

On all search results pages, you will now see filters (similar to PubMed filters) on the left-hand side that allow you to filter your results by article attributes, publication date, research funder, and search fields. These filters replace the Limits page and allow you to more readily:


You can now also quickly add articles that are under a 12-month or less embargo in PMC to your search results by selecting the "Include embargoed articles" filter option under Text Availability. See the PMC User Guide for more information on these filters.


PMC search results with Open access filter activated.
Figure 1: PMC search results with Open access filter activated.

Reference List Display

Using related article data available in PMC, articles that cite papers that have been either retracted or named in a Findings of Research Misconduct issued by the HHS Office of Research Integrity and not yet retracted will now include a red hyperlink to the relevant notice directly from the article's reference list. This update will help users more easily identify post-publication updates to existing research.


image from PMC from a cited article that was retracted.
Figure 2: Cited article that was retracted.

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