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Medical Subject Headings (MeSH®) in MEDLINE®/PubMed®: A Tutorial



Most concepts cannot be adequately described with a single MeSH term. Coordination is the use of a combination of the appropriate MeSH headings, subheadings, and check tags to index a concept as specifically as possible.

Coordination can be accomplished by:

  • Using a subheading to describe a specific aspect of a MeSH heading
  • Using two MeSH headings
  • Coordinating subheadings on two or more headings
  • Coordinating a major (asterisked) MeSH heading with a non-major (non-asterisked) MeSH heading that further describes the concept
  • Coordinating a heading with one or more check tags
  • Indexing a "pre-coordinated" MeSH heading which combines two concepts into one

The following pages show examples of each type of coordination.

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