PubMed Central: Difference between revisions

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PubMed Central should not be confused with [[PubMed]]. These are two very different services at their core.<ref>{{cite web|url=https://www.nlm.nih.gov/pubs/factsheets/dif_med_pub.html|title=MEDLINE, PubMed, and PMC (PubMed Central): How are they different?|author=|date=|website=www.nlm.nih.gov}}</ref> While PubMed is a searchable database of biomedical citations and abstracts, the full-text article referenced in the PubMed record will physically reside elsewhere. (Sometimes in print, sometimes online, sometimes free, sometimes behind a [[paywall]] accessible only to paying subscribers.) PubMed Central is a free digital archive of articles, accessible to anyone from anywhere via a basic web browser. The full text of all PubMed Central articles is free to read, with varying provisions for reuse.
 
{{As of|2016|12}}, the PMC archive contained over 4.1 million articles,<ref>"Openness by Default", ''Inside Higher Ed'', 16 January 2017.</ref> with contributions coming directly from publishers or authors depositing their own manuscripts into the repository per the [[NIH Public Access Policy]]. Older data shows that from Jan 2013 to Jan 2014 author-initiated deposits exceeded 103,000 papers during this 12-month period.<ref>{{cite web|url=http://nihms.nih.gov/stats/|title=NIHMS Statistics|author=|date=|website=nihms.nih.gov}}</ref> PMC also identifies about 4,000 journals which now participate in some capacity to automatically deposit their published content into the PMC repository.<ref>{{cite web|url=https://www.ncbi.nlm.nih.gov/pmc/|title=Home - PMC - NCBI|author=|date=|website=www.ncbi.nlm.nih.gov}}</ref> Some participating publishers will delay the release of their articles on PubMed Central for a set time after publication, this is often referred to as an "embargo period", and can range from a few months to a few years depending on the journal. (Embargoes of six to twelve months are the most common.) However, PubMed Central is a key example of "systematic external distribution by a third party"<ref>[https://www.researchgate.net/file.PostFileLoader.html?id=55e4a08d614325a0dc8b4593&assetKey=AS%3A273846177861632%401442301424139]{{dead link|date=November 2018}}</ref> which is still prohibited by the contributor agreements of many publishers.
 
==Adoption==
* [[SciELO]] (similar service)
 
== NotesReferences ==
{{Reflist|30em}}
 
==External links==
[[Category:Medical databases]]
[[Category:Full text scholarly online databases]]
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