Combining Search Terms
Boolean Operators
Boolean Operators are words (AND, OR, NOT) that combine or exclude keywords in a search.
AND narrows your search
- Vaccines AND “Public Policy” finds resources with both terms or phrases
OR broadens your search
- "Aurora Kinases" OR mitosis finds resources with either term or both terms
NOT excludes terms
neuritis NOT microglia excludes all resources with the term microglia
