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The PubMed database comprises more than 19 million citations for biomedical
articles from MEDLINE and life science journals. Citations may include links to
full-text articles from PubMed Central or publisher web sites.
Access the latest research from Rapid Research Notes (RRN), a new archive of
the National Library of Medicine. RRN provides permanent access to research
shared through online resources for rapid scientific communication.
PubMed is a service of the U.S. National Library of
Medicine and the National Institutes of