How to do keyword searching for literature in an Ovid database such as Medline

From the Ovid search screen type in the search
terms for the first concept in your question. Each search is searching for articles which
contain the term you’ve entered. In this example we are using the question consider the role
of traditional birth attendants in reducing maternal mortality. Our first concept is traditional
birth attendants. Remember to use techniques such as truncation to improve your search.
Click on the red Expand button on the top right hand side to view all of the search
terms you’ve entered. Now enter all of the terms for your next concept, in this case,
maternal mortality. When you have entered your key terms you need
to combine all of the keywords for your first concept.
Click on the boxes on the left hand side of the terms and then click on OR.
Repeat this process for your second concept, in this case maternal mortality.
The final stage is to combine your grouped concept searches with AND. Do this by clicking
on the boxes on the left, and combining your search with AND.
The total number of results for both of your concepts together is 189. You can view the
articles by scrolling down.

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