SPEC Kit 338: Library Management of Disciplinary Repositories · 115
PUBMED CENTRAL®
PMC Overview
http://www.ncbi.nlm.nih.gov/pmc/about/intro/
PMC Overview
http://www.ncbi.nlm.nih.gov/pmc/about/intro/[11/25/13 4:23:50 PM]
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PMC Overview
PubMed Central® (PMC) is a free archive of biomedical and life sciences journal literature at the U.S. National Institutes of
Health's National Library of Medicine (NIH/NLM). In keeping with NLM’s legislative mandate to collect and preserve the
biomedical literature, PMC serves as a digital counterpart to NLM’s extensive print journal collection. Launched in February 2000,
PMC was developed and is managed by NLM’s National Center for Biotechnology Information (NCBI).
Free Access: A Core Principle of PMC
As an archive, PMC is designed to provide permanent access to all of its content, even as technology evolves and current digital
literature formats potentially become obsolete. NLM believes that the best way to ensure the accessibility and viability of digital
material over time is through consistent and active use of the archive. For this reason, free access to all of its journal literature is
a core principle of PMC.
Please note, however, that free access does not mean that there is no copyright protection. As described on our copyright page
publishers and individual authors continue to hold copyright on the material in PMC and users must abide by the terms defined
by the copyright holder.
How Journal Articles are Provided to PMC
PMC is a repository for journal literature deposited by participating publishers, as well as for author manuscripts that have been
submitted in compliance with the Public Access Policy mandated by NIH and similar policies of other research funding agencies.
PMC is not a publisher and does not publish journal articles itself.
PMC offers publishers a number of ways in which to participate and deposit their content in the archive. Although free access is
a requirement, publishers can delay the release of their material in PMC for a reasonable period after publication. Publishers
may also obtain a copy of their deposit material at any time, at no cost.
PMC’s Integration with other Resources
In addition to its role as an archive, the value of PMC lies in its capacity to store and cross-reference data from diverse sources
using a common format within a single repository. With PMC, a user can quickly search the entire collection of full-text articles
and locate all relevant material. PMC also allows for the integration of its literature with a variety of other information resources
that can enhance the research and knowledge fields of scientists, clinicians and others.
International Collaboration and Durability
NLM is collaborating internationally with other agencies that share the goals of PMC. Maintaining copies of PMC’s literature in
other reliable international archives that operate on the same principles provides greater protection against damage or loss of the
material. At the same time, the diversity of sites allows for the possibility of more and even greater innovation, ensuring the
permanence of PMC over the long-term.
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