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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.
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See also the Entrez DTDs.
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For more information, see the MeSH Download page.
Last updated: 03 December 2007
First published: 17 October 2006
Metadata| Permanence level: Permanence Not Guaranteed