PubMedMeSH Medical Subject Headings module 4'3

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PubMed/MeSH - Medical Subject Headings(module
4.3)



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MODULE 4.3PubMed/MeSH (Medical Subject
Headings)

• Instructions - This part of the
• course is a PowerPoint demonstration intended to
  introduce you to PubMed/MeSH.
• module is off-line and is intended as an
  information resource for reference use.

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Table of Contents

• Using MeSH in PubMed
• The MeSH database
• Major Topic Headings and Explode
• Using MeSH terms
• Geographic regions

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Logging on to HINARI 1
Before logging into PubMed, we can Login to the
HINARI website using the URL http//www.who.int/hi
nari/
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Logging into HINARI 2
We will need to insert our HINARI User Name and
Password in the Login box and click on the Login
button. Note If you do not properly sign on, you
will not have access to full text articles from
the HINARI/PubMed database.
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Remember - if you fail to use the Login page, you
will have a second option on the Full text
journals, databases, and other resources
sub-page.
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Main HINARI webpage
Welcome to the PubMed Homepage. Part 3 will look
at MeSH or Medical Subject Headings. To access
the MeSH Database, click on the link on the left
column of the PubMed home page.
Once you are logged in from the main HINARI
webpage, access PubMed by clicking on Search
HINARI journal articles through PubMed (Medline).
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MeSH database

MeSH is the controlled vocabulary for indexing
articles for MEDLINE. MeSH Terms are assigned as
Keywords to each record that is Indexed for
MEDLINE.
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Searching in MeSH
To find a MeSH term, type your search in the
query box and click on Go. In this example we
will check for a MeSH Term for Cancer.
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MeSH search results
From these results we see that the MeSH term for
Cancer is Neoplasms. Click on the linked term for
more information.
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MeSH Terms
The record for a MeSH term contains a definition
of the term, associated subheadings, a list of
entry terms, and the tree view of
MeSH. Highlighted above is the definition
provided for the term Neoplasms.
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MeSH Subheadings
All Subheadings associated with a MeSH term are
displayed below the definition.
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Major MeSH and exploding a term
Below the subheadings are two check boxes. The
first box restricts terms to Major Topic Headings
only. The second box is to instruct PubMed not to
Explode a term.
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Entry terms and See Also references
Entry Terms are listed along with See Also
references.
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MeSH structure diagram
Each record also has a tree view of MeSH
displaying the term and its position in the MeSH
structure.
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Dengue 1
To search for records with Dengue as a MeSH term
enter the term in the Search box.
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Dengue 2
There are a number of MeSH terms containing the
term Dengue. We now will click on the box for
this term.
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Dengue 3
Here is the main Dengue MeSH record and
associated subheadings.
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Dengue 4
To search PubMed, check the box next to the MeSH
term and, from the Send to drop down menu,
select/click on the Search box with AND.
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Dengue 5
The Term is now entered into the search box. From
here you can add keywords or more MeSH Terms to
the search. To search click on the Search PubMed
button.
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Here are the results of a PubMed search for
DengueMeSH in Summary display for 4640 articles.
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If you click on the Abstract display/MeSH Terms
(at the bottom of the abstract), you can view all
the MeSH terms.
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Dengue 7
To search using subheadings, select the
appropriate Subheading(s) by checking the
selection boxes. To use a MeSH term with
Subheadings in a PubMed search, you will need to
go to the Send to drop down menu and click on
Search Box with AND.
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Dengue 8
This time we are searching for the MeSH term
Dengue with a subheading of prevention and
control. To use these terms in PubMed, you must
click on Search PubMed.
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Here are the results of a PubMed search for
Dengue/prevention and controlMeSH in Summary
display.
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If you click on the Abstract display/MeSH Terms,
you can view all the terms including
Dengue/prevention control.
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Dengue Major MeSH topic 1
When we restrict to Major Topic Headings only we
are just selecting articles where the primary
subject matter was Dengue.
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Dengue Major MeSH topic 2
In this example we can see that the Dengue MeSH
term is limited to Major Topic Headings MAJR.
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In the Medline display format, Major MeSH terms
(MAJR) are identified using
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MeSH History page
The History compares the difference between
searching for Dengue as a keyword, Major Mesh
Term and MeSH term. Note the smaller numbers for
the more refined search results.
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Geographical MeSH terms 2
There are MeSH terms assigned for geographical
regions and countries. In this example we will
look at the MeSH terms for Asia.
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Geographical MeSH terms 3
In the tree view, we can see a breakdown of Asia
by region and country.
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Geographical MeSH terms 4
From within the Asia listing, Southeastern
region, we will select Myanmar.
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Geographical MeSH terms 5
In this example, we can see that Burma and
Myanma are Entry Terms for Myanmar.
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Geographical MeSH terms 6
In this example, we will search for Myanmar as a
MeSH term.
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Geographical MeSH terms 7
The articles highlighted have Myanmar in their
titles and are some of 892 articles with Myanmar
as a MeSH term.
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MeSH Developing countries 2
In this example, we can see the definition for
Developing Countries and Entry Terms that will
map to this MeSH Term .
The Developing Countries MeSH term was introduced
in 1971 and is defined by the NLM, and not by the
UNDP or World Bank.
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MeSH Developing countries 4
In this example, we are going to search PubMed
for articles tagged with the Developing Countries
MeSH term.
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This is the end of Module 4 Part 3
The results of the Developing CountriesMesh
search is 52168 articles. This is the end of
Module 4 Part 3. There is a workbook to accompany
this part of the module. The workbook will take
you through a live session covering the topics
included in this demonstration with working
examples. Updated 10 2009