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December 27, 2007 [posted]
January 09, 2014 [Editor's note added]

Skill Kit: The Effects of Year End Processing (YEP) on Saved Searches or RSS Feeds

during the several weeks of Year-End Processing (YEP) activities completed MEDLINE®-indexed citations are not added to MEDLINE/PubMed®. Therefore, a My NCBI saved search or RSS feed restricted to MeSH terms (e.g., humans [mh]) would not generate any updates or your automated e-mails may contain the message, "Your search did not retrieve any items." These citations are included in your next scheduled update after YEP activities have concluded.

Upon completion of YEP, in process citations that are within the scope of MEDLINE are replaced as MEDLINE citations indexed with current MeSH® terms, Publication Types, etc. Searches, including My NCBI Saved Searches, containing tagged search terms should now retrieve all applicable MEDLINE records.

The following example shows a typical MeSH term change during YEP and the effect it may have on searches.

Example: MeSH Term Torsion Replaced by Torsion Abnormality

Modifying a Saved Search

You may find that you need to review and update your saved search strategies and RSS feeds. Saved searches and RSS feeds can be modified by running, modifying, and resaving the search or RSS feed. For detailed instructions on modifying a saved search, please view the animated Quick Tour, Changing Saved Searches, or refer to PubMed Help.

[Editor's note: Updated information on how to modify a saved search strategy may be found in the PubMed Tutorial].

Note: Do not use dates (e.g., Entrez or Publication) when creating saved searches or RSS feeds as they may interfere with the strategies employed to find new My NCBI update citations.

Skill Kit: The Effects of Year End Processing (YEP) on Saved Searches or RSS Feeds. NLM Tech Bull. 2007 Nov-Dec; (359):e14.

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