Academic OneFile can be found in the list of databases. To start a subject search, click the Subject Guide Search tab.
Type in a topic you wish to search:
Click search. You may find your subject, or you may be guided to a different term.
When you have found your term, you may wish to click Subdivisions to zero in on aspecific aspect of your subject.
Click on a specific subdivision of your topic to search for that aspect of your subject.
In the example we used there were over 1,000 articles on "heroin habit," but by using subdivisions we narrowed it down to 33 articles.
Note: The MeSH heading subdivision or subheading that relates to the cause of a condition is "etiology."