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:

Current (2008) NLMMedline® DTD (01/01/08) NLMMedlineCitation DTD (01/01/08) NLMSharedCatCit DTD (01/01/08) NLMCommon DTD (01/01/08)

Forthcoming (2009) NLMMedline® DTD NLMMedlineCitation DTD NLMSharedCatCit DTD NLMCommon DTD

 

NLM Catalog DTDs:

Current (2008) NLMCatalogRecord DTD (01/01/08) NLMSharedCatCit DTD (01/01/08) NLMCommon DTD (01/01/08)

Forthcoming (2009) NLMCatalogRecord DTD NLMSharedCatCit DTD NLMCommon DTD

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:

Current (2008) 2008 NLM Serials DTD - used for List of Serials Indexed for Online Users 2008 MeSH® 2008 MeSH Descriptor DTD - used for MeSH Vocabulary, companion database to MEDLINE/PubMed 2008 MeSH Qualifier DTD 2008 MeSH SCR DTD

Forthcoming (2009) 2009 NLM Serials DTD - used for List of Serials Indexed for Online Users

For more information, see the MeSH Download page.

Historic Revision Notes for NLM DTDs:

• NLMMedline DTD
• NLMMedlineCitation DTD
• NLMSharedCatCit DTD
• NLMCommon DTD
• NLMCatalogRecord DTD

Last updated: 25 August 2008
First published: 17 October 2006
Metadata| Permanence level: Permanent: Dynamic Content

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