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December 09, 2010 [posted]
December 13, 2010 [Editor's note added]
December 14, 2010 [Note added]

PubMed® Notes — 2011

The 2011 PubMed system will be available in mid-December. Links to other articles pertinent to the new system are provided to the right.

There are a few changes to PubMed this year:

PubMed Abstract Display Modified for Supplementary Concepts

The MeSH Vocabulary includes nearly 200,000 records known as the Supplementary Concept Records (SCRs). Until recently these were primarily records for drugs and substances plus a small percentage of protocols. Beginning with 2011 MeSH, SCR records will also include disease terms that are not MeSH headings as explained in the forthcoming article, What's New for 2011 MeSH®. [Editor's Note: This article was published on December 10, 2010.]

PubMed will display SCR terms in the expandable section for supplemental information of the Abstract format as follows:

All SCRs will display on the MEDLINE format with the RN field tag.

All SCRs can be searched using these search tags:

[supplementary concept]
[substance name]

Example: kindler syndrome [nm]

[Note: The changes described above appeared in PubMed on December 13, 2010. At the same time the link to the Journals Database on the PubMed homepage was replaced with the link, Journals in NCBI Databases which connects to the NLM Catalog (see: NLM Catalog: New Search Features for Journals Cited in Entrez Databases.)]

By Annette M. Nahin
MEDLARS Management Section

Nahin AM. PubMed® Notes — 2011. NLM Tech Bull. 2010 Nov-Dec;(377):e16.

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