MEDICAL SUBJECT HEADINGS
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When you do a subject search in MEDLINE, you select and make decisions about MeSH. When the system begins the search, it attempts to match the concept or term that you've selected to the MeSH that are assigned to the subject field of each article.
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MeSH EXAMPLE:
If you are looking for information on heart attacks, one author may use the phrase heart attack, another may use the phrase myocardial infarct, while another may simply refer to an infarct. In text word/ key word searching, you would have to enter all three terms to retrieve all of the relevant articles. But with MeSH searching, all of the relevant articles will be indexed under the term myocardial infarction the official Medical Subject Heading (MeSH) for this concept. |
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