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Publication of the 2005 List of Journals Indexed for MEDLINE®
NLM is pleased to announce the publication of the 2005 List of Journals Indexed for MEDLINE, a continuation of the List of Journals Indexed in Index Medicus. Coverage in the List of Journals Indexed for MEDLINE includes the 4,844 titles currently indexed (as of January 2005) with Medical Subject Headings (MeSH®) for NLM's MEDLINE® database. MEDLINE citations and abstracts are available as the primary component of NLM's PubMed® database, which is searchable via the Internet both directly and through the NLM Gateway. 
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Papers of DNA Pioneer and Nobel Laureate Francis Crick Added to Profiles in Science®March 1, 2005 [posted]
The papers of DNA Pioneer and Nobel Laureate Francis Crick are the most recent collection added to NLM Profiles in Science Web site, dedicated to the lives and works of prominent 20th century biomedical scientists. This latest collection on Profiles in Science represents a close collaboration between the National Library of Medicine and the Wellcome Library for the History and Understanding of Medicine in London, which holds the Crick papers. The Crick collection brings to 14 the number of notable researchers and public health officials whose personal and professional records are featured on Profiles. The name of Francis Crick (1916-2004) is inextricably linked to the discovery of the double helix of deoxyribonucleic acid (DNA) in 1953, considered the most significant advance in biology since Darwin's theory of evolution. The insights of Crick, and his collaborator, James D. Watson, into the structure of DNA and into the genetic code made possible a new understanding of heredity at the molecular level. The collection can be accessed from the Profiles in Science homepage Profiles in Science.
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Add PubMed® to Your Web SiteMarch 1, 2005 [posted]The National Center for Biotechnology Information (NCBI) invites you to link from your Web site to PubMed. Logo graphics and HTML to link to PubMed or add a PubMed search box to your site can be found on Add PubMed to Your Web Site [this link was removed because it is no longer valid], under Overview from the left sidebar of the PubMed homepage.
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FAQs Now Offered for TOXNET DatabasesMarch 10, 2005 [posted][Editor's Note: This Technical Note is a reprint of an announcement published on NLM-Tox-Enviro-Health-L, an e-mail announcement list available from the NLM Division of Specialized Information Services. To subscribe to this list, please see http://sis.nlm.nih.gov/enviro/envirolistserv.html.] NLM's Division of Specialized Information Services now offers a set of "Frequently Asked Questions" and answers (FAQ) for its TOXNET databases. For those new to TOXNET, the FAQ provide a good source of answers to questions that have already been asked. It can also be a resource for experienced TOXNET users. The TOXNET FAQ address the following areas:
Please let us know if there are questions/answers that you would like to be considered for inclusion (mailto:tehip@teh.nlm.nih.gov).
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NLM's List of Serials Indexed for Online Users 2005 is Now Available in both PDF and eXtensible Markup Language (XML) FormatMarch 18, 2005 [posted]The 2005 List of Serials Indexed for Online Users (LSI) is now available in both PDF and XML formats. The Serials Document Type Definition (DTD) to be used with the serials XML data is available at http://www.nlm.nih.gov/databases/dtd/nlmserials_031101.dtd The 2005 edition of the LSI contains 10,582 serial titles, including 4,850 titles currently indexed for MEDLINE. You must agree to the Terms and Conditions of use to download NLM serials data for both the LSI, available PDF and XML formats, and the List of Journals Indexed for MEDLINE (LJI), available in PDF format. Downloading the data indicates acceptance of the stated Terms and Conditions. The National Library of Medicine (NLM) designed the lists of serials products to provide bibliographic information for serials from which articles are indexed with the MeSH® vocabulary and cited in MEDLINE®, the backbone of NLM's PubMed® database. More detailed bibliographic data and information about indexing coverage for serials cited in PubMed can be found in LocatorPlus, NLM's online catalog, at http://locatorplus.gov and the NLM Catalog, an Entrez database, at http://www.nlmcatalog.nlm.nih.gov.
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RxNormMarch 18, 2005 [posted]RxNorm provides standard names for clinical drugs (active ingredient + strength + dose form) and for dose forms as administered to a patient. It provides links from clinical drugs, both branded and generic, to their active ingredients, drug components (active ingredient + strength), and related brand names. NDCs (National Drug Codes) for specific drug products (where there are often many NDC codes for a single product) are linked to that product in RxNorm. RxNorm links its names to many of the drug vocabularies commonly used in pharmacy management and drug interaction software, including those of First Databank, Micromedex, MediSpan, and Multum. By providing links between these vocabularies, RxNorm can mediate messages between systems not using the same software and vocabulary. For further information, see the main Web site for RxNorm: http://www.nlm.nih.gov/research/umls/rxnorm/
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Use Aged with CautionMarch 25, 2005 [posted]The MeSH heading Aged is generally defined as a person 65 or over. In PubMed®, when you search aged with no search field tag:
automatic term mapping (ATM) translates the term as:
From a quick glance at the above search query, nothing seems amiss - the text word portion of the ATM translation will pull in non-indexed, in-process citations. However, the Text Word search pool of terms also includes textracted MeSH headings. In the results you will notice some citations that are indexed with the MeSH heading, Middle Aged, which covers age 45-64 years. Those were retrieved because of the "aged" textracted portion of the multi-word heading Middle Aged. Note that the heading Middle Age was changed for 2004 MeSH to Middle Aged. One method to avoid this situation is to use the search field tag when searching Aged:
Alternatively, you could choose "Aged" from the Ages pull-down menu on PubMed's Limits screen. Either will force PubMed to search the term as a MeSH heading only and not use its automatic term mapping feature. Please note that this method will eliminate in process citations from your retrieval because those citations have not been indexed with MeSH Headings. If you wish to include in process citations you could search:
The [tiab] search will pick up the presence of the term, aged, in titles and abstracts. Please note that your retrieval may still include false drops but will no longer include the citations found as a result of the textracted Middle Aged MeSH heading.
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Space Life Sciences Data Hiatus EndsApril 15, 2005 [posted]The hiatus for Space Life Sciences data added to MEDLINE or LocatorPlus has ended. The hiatus which began as of 5:00 pm on March 12, 2004 ceased when a new NASA contract was implemented in February 2005. (For additional information see the Technical Note, Space Life Sciences Data Hiatus. NLM Tech Bull. 2004 May-Jun;(338):e1..) Newly created Space Life Sciences data began being added to LocatorPlus (and hence, NLM Catalog, the Entrez database version) and MEDLINE/PubMed at the end of March 2005.
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New Book Added to NCBI BookshelfApril 15, 2005 [posted]The National Center for Biotechnology Information (NCBI) has recently added a new book to the Bookshelf:
Inflammatory Atherosclerosis: Characteristics of the Injurious Agent. The books in Bookshelf may be searched directly from the Bookshelf site, via links from the Links pull-down menu from relevant PubMed® citations, or through the Entrez Global query feature.
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NLM Mobile
April 15, 2005 [posted]
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