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Medical Subject Headings

Citation Maintenance tasks in XML format

The Global Citation Maintenance (GCM) data in XML format makes available the annual changes which are made by NLM in the MeSH indexing of citations in PubMed and distributed MEDLINE. Additional information about the XML file is available.

The following files are available. The files are not particularly large, but if you want to download a file to your local hard drive rather than open it here, you must right-click the link and then select either Save Link... or Save Target..., depending on your browser.

  • 2007. Publication Type Maintenance. Eight MeSH Category V Descriptors, formerly indexed in MEDLINE with the MH tag, are now indexed with the PT tag. The DTD is similar to the GCM DTD but two elements and one attribute have been added. See About PT Updates.