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® DTD:
Current (2012) | Forthcoming (2013) |
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NLM Catalog DTD:
Current (2012) | Forthcoming (2013) |
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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
2012 NLM Serials DTD: List of Serials Indexed for Online Users (LSIOU)
Current (2012) | Forthcoming (2013) |
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List of Serials Indexed for Online Users (LSIOU):
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List of Serials Indexed for Online Users (LSIOU):
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MeSH® DTDs:
Current (2012) | Forthcoming (2013) |
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For more information, see the MeSH Download page.