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The PMCID (PubMed Central identifier), also known as the PMC reference number, is a bibliographic identifier for the PubMed Central open access database, much like the PMID is the bibliographic identifier for the PubMed database. The two identifiers are distinct however. It consists of "PMC" followed by a string of numbers. The format is: [35]
PubMed is a free database including primarily the MEDLINE database of references and abstracts on life sciences and biomedical topics. The United States National Library of Medicine (NLM) at the National Institutes of Health maintains the database as part of the Entrez system of information retrieval.
From an identifier: This is a redirect from a unique (alpha-)numerical identifier (like an EAN) to an article discussing that particular class of identifiers in mainspace. By convention the redirect must include the parenthetical disambiguator "(identifier)".
The following identifiers create links and are designed to accept a single value. Using multiple values or other text will break the link and/or invalidate the identifier. In general, the parameters should include only the variable part of the identifier, e.g. |rfc=822 or |pmc=345678 .
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 ...
The NCBI assigns a unique identifier (taxonomy ID number) to each species of organism. [5] The NCBI has software tools that are available through web browsers or by FTP. For example, BLAST is a sequence similarity searching program. BLAST can do sequence comparisons against the GenBank DNA database in less than 15 seconds.
Some named-identifiers are always free-to-read. For those named identifiers there are no access-indicator parameters; the access level is automatically indicated by the template. These named identifiers are: |arxiv= |biorxiv= |citeseerx= |medrxiv= |pmc= |rfc= For embargoed pmc that will become available in the future, see pmc-embargo-date.
The following identifiers create links and are designed to accept a single value. Using multiple values or other text will break the link and/or invalidate the identifier. In general, the parameters should include only the variable part of the identifier, e.g. |rfc=822 or |pmc=345678.