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PubMed Central. Brooke Dine National Library of Medicine Medical Library Association Conference May 2005. What is PubMed Central?. PubMed Central (PMC) is the U.S. National Library of Medicine's free digital archive of biomedical and life sciences journal literature. PMC serves as a…

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pubmed central

PubMed Central

Brooke Dine

National Library of Medicine

Medical Library Association Conference

May 2005

what is pubmed central
What is PubMed Central?
  • PubMed Central (PMC) is the U.S. National Library of Medicine's free digital archive of biomedical and life sciences journal literature.
  • PMC serves as a…
    • a permanent archive
    • a platform for enriched linking, analysis, and use of research reports and data
    • one of many sources of full-text articles linked to PubMed/MEDLINE citations
access to pmc content
Access to PMC Content
  • Free access to full-text articles and supporting data
  • A journal may delay free access to its content
    • Research articles are generally free in a year or less
    • Non-research articles may have a delay of 6-24 months depending on the journal
  • Full-text searching of current and back issue content via PMC Entrez
  • Citations for articles included in PubMed
  • Fully integrated with other Entrez databases – sequence data, taxonomy, books, etc.
pmc participation usage
PMC Participation & Usage
  • Currently, PMC includes:
    • 180 life sciences journals
    • Over 382,000 articles, letters, etc.
    • 1 million unique users monthly
    • 3 million full-text retrievals per month
    • Total retrieval is nearly 5 million pages per month
pmc and open access
PMC and Open Access
  • Deposit of Open Access (OA) content is subject to normal PMC standards and requirements
  • OA source files can be downloaded by anyone:
    • PMC-OAI service for full-text XML
    • FTP service to download complete article packet – XML, images, PDF and supplemental data files
  • OA simplifies distribution of content to collaborating archives
  • Opens door for data mining and creation of innovative products by others
  • Open Access may apply to an entire journal and its content or at the article-level when authors have retained the copyright
  • NIH Public Access (http://www.nih.gov/about/publicaccess/index.htm)
  • NIH Manuscript Submission (http://www.nihms.nih.gov)
open access journals in pmc
Open Access Journals in PMC
  • Open Access Journals in PMC:
    • Amphibian and Reptile Conservation
    • BioMed Central Journals
    • Biological Procedures Online
    • Journal of Biomedicine and Biotechnology
    • Journal of Insect Science
    • Nucleic Acids Research
    • PLoS Biology and Medicine
    • Preventing Chronic Disease
  • In October 2003, PMC began accepting individual open access articles from journals that do not participate in PMC on a routine basis.
    • Science
    • Biological Chemistry
back issue digitization in pmc
Back Issue Digitization in PMC
  • Create a complete digital archive of PMC journals
  • Bring the collection to today’s “if not online, it doesn’t exist” user
  • Cover-to-cover digital copy of everything up to where journal began producing electronic copy
  • Publisher gets free, unencumbered digital copy
  • Complete archives to date for the following journals:American Society for Microbiology, Bulletin of the Medical Library Association, Cardiovascular Diseases, Journal of Clinical Investigation, Medical History (Wellcome Trust), Molecular Biology of the Cell, Nucleic Acids Research, Plant Physiology, PNAS: Proceedings of the National Academy of Sciences of the USA, Texas Heart Institute Journal
what s being digitized
What’s Being Digitized?
  • 50 journals that deposit current issues including:
    • American Society for Microbiology (10 journals)
    • BMJ Publishing Group (BMJ and specialist journals)
    • Bulletin of the Medical Library Association
    • Journal of Clinical Investigation
    • Molecular Biology of the Cell
    • Nucleic Acids Research
    • Plant Physiology
    • PNAS: Proceedings of the National Academy of Sciences of the USA
  • In June 2004, signed collaboration with Wellcome Trust and UK Joint Information Systems Committee (JISC)
    • Selecting prestigious journals with long history
    • Currently 10 journals have been signed including Annals of Surgery, Biochemical Journal, British Journal of General Practice, British Journal of Pharmacology, British J of Clinical Pharmacology, Immunology, Journal of Anatomy, Journal of Physiology, Journal of the Royal Society of Medicine, and Medical History
entrez
Entrez
  • Entrez retrieval system supports access to PubMed, online books, the sequence databases, a taxonomy database, and more.
  • Users can now search the full text of all SGML- or XML-based content deposited in PMC, including articles for which the full text is viewable only at the journal’s site.
  • Back issue content is also searchable via PMC Entrez.
linking options within pmc
Linking Options within PMC
  • Articles within PMC offer various linking options across articles, issues, and journals. These include:
        • Commentaries
        • Cited In
        • Referenced Articles
        • Corrections
slide35
PMC
  • PubMed Central Site:
  • http://www.pubmedcentral.nih.gov
  • Questions about PMC:
  • pubmedcentral@nih.gov