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Document Type Definitions (DTDs) for NLM Databases
The 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:
- NLMMedline® DTD (01/01/09)
- NLMMedlineCitation DTD (01/01/09)
- NLMSharedCatCit DTD (01/01/09)
- NLMCommon DTD (01/01/09)
NLM Catalog DTDs:
- NLMCatalogRecord DTD (01/01/09)
- NLMSharedCatCit DTD (01/01/09)
- NLMCommon DTD (01/01/09)
Other Databases:
- NLM CCRIS DTD (02/26/04)
- NLM ChemIDplus Subset DTD (04/28/05)
- NLM DIRLINE® DTD (02/26/04)
- NLM GENE-TOX DTD (02/11/02)
- NLM HSDB® DTD (04/12/04)
- NLM TOXLINE® Subset DTD (03/29/02)
See also the Entrez DTDs.
DTDs for Data Supporting NLM's Leased Databases:
- 2009 NLM Serials DTD (01/01/09) - used for List of Serials Indexed for Online Users
2009 MeSH®
- 2009 MeSH Descriptor DTD - used for MeSH Vocabulary, companion database to MEDLINE/PubMed (01/01/09)
- 2009 MeSH Qualifier DTD (01/01/09)
- 2009 MeSH SCR DTD (01/01/09)
For more information, see the MeSH Download page.
Historic Revision Notes for NLM DTDs:
Last reviewed: 15 December 2008
Last updated: 15 December 2008
First published: 17 October 2006
Metadata| Permanence level: Permanent: Dynamic Content