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Glossary
A brief summary or description of the essential content from the source
document.
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Chemical Thesaurus
A controlled vocabulary of chemical and drug terms used to index documents
for MEDLINE. Another name for the Chemical Thesaurus is Supplementary Concept
Records. See also Chemical
Thesaurus
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DOI (Digital Object Identifier)
The Digital Object Identifier (DOI®) is a system for permanently
identifying and exchanging intellectual property in the digital environment.
Example: DOI: 10.1134/S1061920808010020
See http://www.doi.org for more
information.
DOI® is a registered trademark of the International DOI
Foundation.
A DOI number can be associated with an article, a book, a book chapter, a
data study document, and other document types.
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Explode
Explode expands a search to include medical subject headings subordinate to a
specified subject heading.
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Holdings
Items in a library collection. For example, a library's online catalog would
show whether the source publication is held in the library's collection.
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ISSN
The International Standard Serial Number is a unique number that identifies
the source publication. The format is four numbers, a hyphen (-), three numbers,
and then a check character that may be a number or X. Example:
0002-9262
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Major Topic
Medical subject headings that describe the main point or topic of an article
are designated as major topics. See also
MeSH Major Topic field
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Map
Mapping matches a term that you know to one or more subject headings in the
MeSH Thesaurus.
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Marked List
A list of records that you marked from either the Results page or the Full
Record page. Once you add records to the Marked List, you can later print, save,
e-mail, order, or export some or all of those records. You have the option
to select records from the Total Records table to output or you can
select records from a specific product database.
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MeSH
MeSH (Medical Subject Headings) is a controlled vocabulary of biomedical
terms used for indexing documents in MEDLINE. MeSH was developed and is
maintained by the National Library of Medicine, the producer of MEDLINE.
See also MeSH Thesaurus
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Qualifier
Qualifiers, also known as subheadings, are controlled terms that qualify or
add context to subject headings. Qualifiers are found in the MeSH Thesaurus
along with subject headings.
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Previous Indexing
In the details about a MeSH heading, Previous Indexing refers to other
subject headings that were used to represent the same concept in past years of
MEDLINE.
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Search Aid
Search aids are tools that allow you to select predefined names, terms, or
codes and automatically add them with the appropriate syntax to a search query.
Search aids allow you to quickly and easily achieve consistent search results.
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Set Combination
A set combination consists of two or more set numbers that you can run as a
unique search query. For example, #1 AND #3 combines the
results of set 1 and set 3 to form a single query. Set numbers appear under the
Set column in the Search History table.
You can also enter a single set number alone to refresh the results of a
previous search. In this instance, you may also want to change the timespan,
languages, document types, literature types, and Taxa Notes.
Source Document
An article, patent, book, or other work represented by a record in the
product database. May also be referred to as "source publication" or "source
record".
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Subject Heading
A controlled term from the MeSH Thesaurus used to index articles in MEDLINE.
See also MeSH Thesaurus
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