Skip to main content
It looks like you're using Internet Explorer 11 or older. This website works best with modern browsers such as the latest versions of Chrome, Firefox, Safari, and Edge. If you continue with this browser, you may see unexpected results.
Internet Explorer 11
Will No Longer Be Supported as of November 20, 2020. Read More...
FAU Medical Library
To return to the Medical and Health Sciences Collections and User Services page, please click here.
Boolean Operator: AND
Use "AND" to link two terms together, this narrows your results. Articles will contain both and omit the pieces that only have one term or the other.
When you start to nest Boolean terms, AND is seen as the primary operator, and will be factored before OR and NOT.
Boolean Operator: OR
Use "OR" to look for articles that contain both words. This broadens your results. Articles will contain either term or both terms.
Boolean Operator: NOT
Use "NOT" to look for articles that do not contain a specific word. This narrows your results. Articles will only contain one word and omit the pieces that contain the undesired word.
TIP: Using NOT may negatively effect your results, as it ignores all articles with the undesired word. This operator is best used after you have gained some familiarity with the literature and notice a topic trend you wish to ignore, or if you already know you do not wish to look at a particular portion of the literature. I.e "typhoid fever" NOT children; or Zika virus NOT (pregnant or pregnancy).