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Document Type Definitions (DTDs) for NLM Databases
Printer-friendly VersionThe purpose of a DTD (Document Type Definition) is to define the building blocks of an XML document. It defines the document structure with a list of allowable elements. Below are the DTDs that define NLM's XML data.
DTDs for NLM's Leased Databases
MEDLINE®/PubMed® DTDs:
| Current (2009) | Forthcoming (2010) |
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A single DTD replaces the four currently in use:
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NLM Catalog DTDs:
| Former (2009) | Current (2010) |
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A single DTD replaces the three formerly used:
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Other Databases:
| Current (2009) | Forthcoming (2010) |
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No DTD changes expected for 2010 |
See also the Entrez DTDs.
DTDs for Data Supporting NLM's Leased Databases:
| Current (2009) | Forthcoming (2010) |
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List of Serials Indexed for Online Users (LSIOU)
2009 MeSH®
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List of Serials Indexed for Online Users (LSIOU)
2010 MeSH®
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For more information, see the MeSH Download page.
Last reviewed: 24 November 2009
Last updated: 24 November 2009
First published: 17 October 2006
Metadata| Permanence level: Permanent: Dynamic Content