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Most
specialist indexes have an online thesaurus. A thesaurus is a kind
of dictionary or index, of subject headings or descriptors, that are
used to describe the subject content of an article. Many thesauruses
also include a scope note, or a short description, of the meaning of
the descriptor as well.
It
is a good idea to use the database thesaurus if there is one as it
will identify preferred terms, and also increase both the accuracy
and the specificity of your search.
Databases
in the Health/Medicine subject grouping which have thesauruses are:
- Medline (look for Browse MESH)
- Cinahl with Full Text (look for Cinahl Headings)
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