When you first start your search you might not understand your topic or some of the elements as well as you would like. This is okay! We've all been there. In that situation you will want to start by looking for background information before you do a search for articles (which will be about more specific elements of a topic).
To find background information you can:
Quick Tip: You can use the skills from Creating an Effective Search in the catalog and in search engines like Google.
Once you know what you need you can use databases to find articles, guidelines, drug information, and more. Databases are useful for finding specifics and not general overviews. Remember the skills from Creating an Effective Search to help you search databases.