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PubMed Central (PMC) is a free digital repository that archives open access full-text scholarly articles that have been published in biomedical and life sciences journals. As one of the major research databases developed by the National Center for Biotechnology Information (NCBI), PubMed Central is more than a document repository.
The NIH Public Access Policy is an open access mandate, drafted in 2004 and mandated in 2008, [1] requiring that research papers describing research funded by the National Institutes of Health must be available to the public free through PubMed Central within 12 months of publication.
It runs the DOAJ and, until 2017, the Open Citations Corpus. In a 2015 comparison with MEDLINE, PubMed Central, EMBASE and SCOPUS, DOAJ resulted to have the highest number of open access journals listed, but less than a half of them had actively published contents on DOAJ. [13] There is a partnership between DOAJ and OpenAIRE since October 2022 ...
Jurn is a free-to-use online search tool for finding and downloading free full-text scholarly works. In 2014 Jurn expanded beyond open access journals in the arts and humanities, to also index open journals in ecology, science, biomedical, business and economics. Jurn is actively curated and maintained.
Open access can be provided by commercial publishers, who may publish open access as well as subscription-based journals, or dedicated open-access publishers such as Public Library of Science (PLOS) and BioMed Central. Another source of funding for open access can be institutional subscribers.
Millions of PubMed records augment various open data datasets about open access, like Unpaywall. Data analysis tools like Unpaywall Journals are used by libraries to assist with big deal cancellations: libraries can avoid subscriptions for materials already served by instant open access via open archives like PubMed Central. [52]
The Europe PMC project was originally launched in 2007 as the first 'mirror' site to PMC, which aims to provide international preservation of the open and free-access biomedical and life sciences literature. It forms part of a network of PMC International [11] (PMCI) repositories that includes PubMed Central Canada. Europe PMC is not an exact ...
Open access citation advantage may increase the impact factor of open access journals relative to journals without open access. [ 1 ] [ 7 ] One study concluded that authors in medical fields "concentrate on research published in journals that are available as full text on the internet, and ignore relevant studies that are not available in full ...