Medical Subject Headings
The Annotated Alphabetic List, MeSH Tree Structures, and Permuted MeSH ceased with the 2003 editions. See the July-August issue of the NLM Technical Bulletin. The printed Medical Subject Headings, Index Medicus Supplement, with the alphabetic list and tree structures, ceased publication with the 2007 edition. The MeSH Tree Structures are available in PDF format.