| Pubmed |
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| bioinformatics | |
| academic publishing | |
| national institutes of health | |
| domain specific search engines | |
| medical literature | |
| scientific literature | |
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PubMed is a free search engine offering access to the MEDLINE Database of citations and abstracts of biomedical research articles. The core subject is medicine, and PubMed covers fields related to medicine, such as Nursing and other Allied Health disciplines. It also provides very full coverage of the related biomedical sciences, such as Biochemistry and Cell Biology . It is offered by the United States National Library Of Medicine at the National Institutes Of Health as part of the Entrez Information Retrieval system. As with other indexes, the inclusion of an article in PubMed does not endorse that article's contents. MEDLINE covers over 5,000 journals published in the United States and more than 80 other countries primarily from 1950 to the present. In addition to MEDLINE, PubMed also offers access to
Many PubMed citations contain links to full text articles which are freely available, often in the PubMed Central Digital Library . PubMed is one of a number of search engines through which it is possible to search the MEDLINE database; the National Library of Medicine also leases the MEDLINE information to a number of private vendors such as Ovid and SilverPlatter --as well as many other vendors. PubMed has been available free on the Internet since the mid-1990s. For optimal searching in PubMed, it is necessary to have a thorough understanding of its core component, MEDLINE, and especially of the MeSH controlled vocabulary used to index MEDLINE articles. Information about the journals indexed in PubMed is found in its Journals Database, searchable by subject or journal title, Title Abbreviation, the NLM ID (NLM's unique journal identifier), the ISO abbreviation, and both the print and electronic International Standard Serial Number s (pISSN and eISSN). The database includes all journals in all Entrez databases. PubMed has over 14 million citations. Literature Databases , PubMed (accessed 2007-05-03). COMPARISONS A recent study by Dr. Thomas Vanhecke in the journal ''Computers in Biology and Medicine'' Vanhecke TE, Barnes MA, Zimmerman J, Shoichet S. PubMed vs. HighWire Press: a head-to-head comparison of two medical literature search engines. Comput Biol Med. 2006 Dec 19. PMID 17184763 has compared PubMed and HighWire Press (the distributor of over a thousand selected high-profile journals in biomedicine and other scientific fields), focusing on retrieval accuracy, number of results generated, retrieval speed, features and search tools. HighWire Press resulted in a higher likelihood of retrieving the desired article and higher number of search results than the same search on PubMed, but PubMed was faster than HighWire Press. ALTERNATIVE INTERFACES
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