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NCBI Bookshelf. A service of the National Library of Medicine, National Institutes of Health.

About Bookshelf [Internet]. Bethesda (MD): National Center for Biotechnology Information (US); 2010-.

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About Bookshelf [Internet].

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Bookshelf Disclaimer

Created: ; Last Update: September 11, 2023.

Estimated reading time: 1 minute

This disclaimer relates to PubMed, PubMed Central (PMC), and Bookshelf. These three resources are scientific literature databases offered to the public by the U.S. National Library of Medicine (NLM). NLM is not a publisher, but rather collects, indexes, and archives scientific literature published by other organizations. The presence of any article, book, or document in these databases does not imply an endorsement of, or concurrence with, the contents by NLM, the National Institutes of Health (NIH), or the U.S. Federal Government.

Content in NLM literature databases may be published by academic publishers or institutions, scholarly societies, or government and non-governmental organizations. To be added to a database, a publication must apply and be selected by NLM for inclusion in MEDLINE, PMC, or Bookshelf. PubMed indexes and makes searchable the contents of these databases; MEDLINE is the primary component of PubMed. Details on the content selection processes for each database can be found at:

MEDLINE

PubMed Central

Bookshelf

Once publications are selected for inclusion in a database, NLM does not review, evaluate, or judge the quality of individual articles and relies on the scientific publishing process to identify and address problems through published comments, corrections, and retractions (or, as in the case of preprints, withdrawal notices). The publisher is responsible for maintaining the currency of the scientific record and depositing all relevant updates to the appropriate NLM database.

For more information about our content and how it relates to you, please see: https://pubmed.ncbi.nlm.nih.gov/disclaimer/

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